Capital Regulation for Position Risk in Banks, Securities Firms, and Insurance Companies

Capital Adequacy beyond Basel: Banking, Securities, and Insurance

Volumn , Issue , 2005, Pages

  Herring, Richard ^a,b   Schuermann, Til ^c,d  

^a Lauder Institute of Management and International Studies   (United States)

^b UNIVERSITY OF PENNSYLVANIA   (United States)

^c FEDERAL RESERVE BANK OF NEW YORK   (United States)

^d Och Spine at New York Presbyterian Hospitals   (United States)

Author keywords

Capital requirements; Financial services; Position risk; Regulatory capital; Regulatory differences

Indexed keywords

EID: 84920099950     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1093/acprof:oso/9780195169713.003.0001     Document Type: Chapter

References (117)

1. Allen, Franklin, and Douglas Gale. 1998. Optimal Financial Crises. Journal of Finance 53 (4): 1245-84.
2. American Academy of Actuaries (AAA). 2002. Comparison of the NAIC Life, P&C, and Health RBC Formulas. Report from the Academy Joint RBC Taskforce (February).
3. Andersen, Torben G., Tim Bollerslev, Francis X. Diebold, and Heiko Ebens. 2001. The Distribution of Realized Stock Return Volatility. Journal of Financial Economics 61 (1): 43-76.
4. Andersen, Torben G., Tim Bollerslev, Francis X. Diebold, and Paul Labys. 2001. The Distribution of Realized Exchange Rate Volatility. Journal of the American Statistical Association 96 (453): 42-55.
5. Artzner, Philippe, Freddy Delbaen, Jean-Marc Eber, and David Heath. 1997. Thinking Coherently. Risk 10 (11): 68-71.
6. Artzner, Philippe, Freddy Delbaen, Jean-Marc Eber, and David Heath. 1999. Coherent Measures of Risk. Mathematical Finance 9 (3): 203-28.
7. Ball, Clifford A., and Hans R. Stoll. 1998. Regulatory Capital of Financial Institutions: A Comparative Analysis. Financial Markets, Institutions, and Instruments 7 (3): 1-57.
8. Bangia, Anil, Francis X. Diebold, Til Schuermann, and John D. Stroughair. 1999. Liquidity on the Outside. Risk 12 (June): 68-73. Reprinted in expanded form as: Modeling Liquidity Risk, with Implications for Traditional Market Risk Measurement and Management. In Risk Management: The State of the Art, ed. S. Figlewski and R. Levich. Amsterdam: Kluwer Academic Publishers, 2001.
9. Bank for International Settlements (BIS). 1996. 66th Annual Report. Basel, Switzerland.
10. Basak, Suleyman, and Alexander Shapiro. 2001. Value-at-Risk Based Risk Management: Optimal Policies and Asset Prices. Review of Financial Studies 14 (2): 371-405.
11. Basel Committee on Banking Supervision (BCBS). 1979. Consolidated Supervision of Bank's International Activities. Available at: www.bis.org/publ/ bcbsc112.pdf.
12. Basel Committee on Banking Supervision (BCBS). 1988. International Convergence of Capital Measurement and Capital Standards. Basel Committee Publication No. 4. Available at: www.bis.org/ publ/bcbs04A.pdf.
13. Basel Committee on Banking Supervision (BCBS). 1996a. Amendment to the Capital Accord to Incorporate Market Risks. Basel Committee Publication No. 24. Available at: www.bis.org/publ/ bcbs24.pdf.
14. Basel Committee on Banking Supervision (BCBS). 1996b. Supervisory Framework for the Use of "Backtesting" in Conjunction with the Internal Models Approach to Market Risk Capital Requirements. Basel Committee Publication No. 22. Available at:www.bis.org/publ/bcbs22.pdf.
15. Basel Committee on Banking Supervision (BCBS). 2001a. Overview of the New Basel Capital Accord. Second Consultative Paper on the New Basel Capital Accord. Available at:www.bis.org/publ/bcbsca02.pdf
16. Basel Committee on Banking Supervision (BCBS). 2001b. Pillar 3-Market Discipline. Basel Committee Working Paper No. 7. Available at: www.bis.org/publ/bcbs_wp7.pdf.
17. Basel Committee on Banking Supervision (BCBS). 2002. Public Disclosures by Banks: Results of the 2000 Disclosure Survey. Basel Committee Publication No. 90. Available at: www.bis.org/publ/ bcbs90.pdf.
18. Basel Committee on Banking Supervision and the Technical Committee of IOSCO (BCBS/IOSCO). 1999a. Recommendations for Public Disclosure of Trading and Derivatives Activities of Banks and Securities Firms. Basel Committee Publication No. 48. Available at: www.bis.org/publ/bcbs48.pdf
19. Basel Committee on Banking Supervision and the Technical Committee of IOSCO (BCBS/IOSCO). 1999b. Trading and Derivatives Disclosures of Banks and Securities Firms. Basel Committee Publication No. 64. Available at: www.bis.org/publ/ bcbs64.pdf.
20. Benston, George J. 1999. Regulating Financial Markets: A Critique and Some Proposals. Washington, D.C.: AEI Press.
21. Benston, George J. 2000. Consumer Protection as a Justification for Regulating Financial-Services Firms and Products. Journal of Financial Services Research 17 (3): 277-301.
22. Benston, George J., and George Kaufman. 1995. Is the Banking and Payment System Fragile?. Journal of Financial Services Research 9: 209-40.
23. Berger, Allen N., Richard J. Herring, and Giorgio P. Szegö. 1995. The Role of Capital in Financial Institutions. Journal of Banking and Finance 19 (3/4): 393-430.
24. Berkowitz, Jeremy. 2001. Testing the Accuracy of Density Forecasts, Applications to Risk Management. Journal of Business and Economic Statistics 19: 465-74.
25. Berkowitz, Jeremy, and James O'Brien. 2002. How Accurate Are Value-at-Risk Models at Commercial Banks?. Journal of Finance 57 (3): 1093-1111.
26. Blair, Bevan J., Ser-Huang Poon, and Stephen J. Taylor, 2001. Forecasting S&P 100 Volatility: The Incremental Information Content of Implied Volatilities and High Frequency Index Returns. Journal of Econometrics 105 (1): 5-26.
27. Board of Governors of the Federal Reserve System and U. S. Department of the Treasury. 2000. The Feasibility and Desirability of Mandatory Subordinated Debt. Report submitted to the Congress pursuant to Section 108 of the Gramm-Leach-Bliley Act of 1999 (December). Available at:www.federalreserve.gov/boarddocs/rptcongress/debt/subord_debt_2000.pdf.
28. Bollerslev, Tim. 1986. Generalized Autoregressive Conditional Heteroskedasticity. Journal of Econometrics 31 (3): 307-27.
29. Bollerslev, Tim, Ray Y. Chou, and Kenneth F. Kroner. 1992. ARCH Modeling in Finance: A Review of the Theory and Empirical Evidence. Journal of Econometrics 52 (1/2): 5-59.
30. Brick, Michael. 2002. What Was the Heart of Enron Keeps Shrinking. New York Times, April 6, Section C.
31. Britt, Stephen, Anthony Dardis, Mary Gilkison, François Morin, and Mary M. Wilson. 2001. Risk Position Reporting. Society of Actuaries Research Report. Available at: www.soa.org/research/risk_position.pdf.
32. Calomiris, Charles, and Gary Gorton. 1991. The Origins of Banking Panics, Models, Facts, and Bank Regulation. In Financial Markets and Financial Crises, ed. R. Glenn Hubbard, 109-73. Chicago: University of Chicago Press.
33. Canina, Linda, and Stephen Figlewski. 1993. The Informational Content of Implied Volatility. Review of Financial Studies 6 (3): 659-81.
34. Carey, Mark S. 1993. Snacking and Smoothing: Gains Trading of Investment Account Securities by Commercial Banks. Board of Governors of the Federal Reserve Working Paper.
35. Carey, Mark S. 2002. A Guide to Choosing Absolute Capital Requirements. Journal of Banking and Finance 26 (5): 929-51.
36. Christoffersen, Peter F., and Francis X. Diebold. 2000. How Relevant Is Volatility Forecasting for Financial Risk Management?. Review of Economics and Statistics 82 (1): 12-22.
37. Christoffersen, Peter F., Francis X. Diebold, and Til Schuermann. 1998. Horizon Problems and Extreme Events in Financial Risk Management. Federal Reserve Bank of New York Economic Policy Review 4 (3): 109-18. Available at: www.newyorkfed.org/rmaghome/econ_pol/1098pchr.pdf.
38. Collin-Dufresne, Pierre, Robert S. Goldstein, and J. Spencer Martin. 2001. The Determinants of Credit Spread Changes. Journal of Finance 56 (6): 2177-2207.
39. Commission of the European Communities. 2001. Proposal for a Directive of the European Parliament and of the Council on the Supplementary Supervision of Credit Institutions, Insurance Undertakings, and Investment Firms in a Financial Conglomerate. Brussels: CEC (April).
40. Committee on Payment and Settlement Systems. 1996. Settlement Risk in Foreign Exchange Transactions. Report prepared by the Committee on Payment and Settlement Systems of the Central Banks of the Group of Ten Countries. Committee on Payment and Settlement Systems Publication No. 17. Available at: www.bis.org/publ/cpss17.pdf.
41. Crouhy, Michel, Dan Galai, and Robert Mark. 2001. Risk Management. New York: McGraw-Hill.
42. Cummins, J. David, Scott E. Harrington, and Greg Niehaus. 1993. An Economic Overview of Risk-Based Capital Requirements for the Property- Liability Insurance Industry. Journal of Insurance Regulation 11: 427-47.
43. Day, Theodore E., and Craig M. Lewis. 1992. Stock Market Volatility and the Informational Content of Stock Index Options. Journal of Econometrics 52 (1/2): 267-87.
44. Derivatives Policy Group. 1995. Framework for Voluntary Oversight: The OTC Activities of Securities Firm Affiliates to Promote Confidence and Stability in Financial Markets (March). Available at: http://riskinstitute.ch/137790.htm.
45. DeYoung, Robert, Mark J. Flannery, William W. Lang, and Sorin M. Sorescu. 2001. The Informational Content of Bank Exam Ratings and Subordinated Debt Prices. Journal of Money, Credit and Banking 33 (4): 900-25.
46. Diamond, Douglas W., and Philip H. Dybvig. 1983. Bank Runs, Deposit Insurance, and Liquidity. Journal of Political Economy 91 (3): 401-19.
47. Diebold, Francis X., and Jose A. Lopez. 1995. Modeling Volatility Dynamics. In Macroeconometrics: Developments, Tensions and Prospects, ed. Kevin D. Hoover, 427-72. Boston: Kluwer Academic Press. Available at:www.ssc.upenn.edu/~fdiebold/papers/paper38/dl1995.pdf.
48. Diebold, Francis X., Todd A. Gunther, and Anthony S. Tay. 1998. Evaluating Density Forecasts with Applications to Financial Risk Management. International Economic Review 39: 863-83.
49. Diebold, Francis X., Til Schuermann, and John D. Stroughair. 1998. Pitfalls and Opportunities in the Use of Extreme Value Theory in Risk Management. In (p.83) Decision Technologies for Computational Finance, ed. Andrew N. Burgess, John Moody, and Apostolos-Paul N. Refenes, 3-12. Amsterdam:Kluwer Academic Publishers.
50. Diebold, Francis X., Andrew Hickman, Atsushi Inoue, and Til Schuermann. 1998. Scale Models. Risk 11: 104-7.
51. Dimson, Elroy, and Paul R. Marsh. 1995. Capital Requirements for Securities Firms. Journal of Finance 50 (3): 821-51.
52. Economist. 2003. Poor Cover for a Rainy Day. March 8, pp. 63-65.
53. Elton, Edwin J., Martin J. Gruber, Deepak Agrawal, and Christopher Mann. 2001. Explaining the Rate Spread on Corporate Bonds. Journal of Finance 56 (1): 247-77. Available at: pages.stern.nyu.edu/~cmann/corpbond.pdf.
54. Embrechts, Paul, ed. 2000. Extremes and Integrated Risk Management. London: Risk Books.
55. Embrechts, Paul, Claudia Klüppelberg, and Thomas Mikosch. 1997. Modelling Extremal Events for Insurance and Finance. Berlin: Springer Verlag.
56. Engle, Robert F. 1982. Autoregressive Conditional Heteroskedasticity with Estimates of the Variance of United Kingdom Inflation. Econometrica 50: 987-1008.
57. European Union (EU). 1993. Council Directive 93/6/EEC of 15 March 1993 on the Capital Adequacy of Investments Firms and Credit Institutions.
58. Everett, James, Barbara Bouchard, Larry Gorski, Diane Fraser, Robert Loo, Anna Lee Hewko, Ray Spudeck, Richard Kopcke, and Elise Liebers. 2002. Report of the National Association of Insurance Commissioners (NAIC) and the Federal Reserve System Joint Subgroup on Risk-Based Capital and Regulatory Arbitrage. Federal Reserve System Working Paper (May).
59. Feldblum, Sholom. 1996. NAIC Property/Casualty Insurance Company Risk-Based Capital Requirements. Proceeding of the Casualty Actuarial Society 83 (158/159): 297-435. Available at: www.casact.org/pubs/proceed/ proceed96/96297.pdf.
60. Flannery, Mark J., and Sorin M. Sorescu. 1996. Evidence of Bank Market Discipline in Subordinated Debenture Yields 1983-91. Journal of Finance 51: 1347-77.
61. Fleming, Jeff. 1998. The Quality of Market Volatility Forecasts Implied by S&P 100 Index Option Prices. Journal of Empirical Finance 5 (4): 317-45.
62. Gorton, Gary. 1988. Banking Panics and Business Cycles. Oxford Economic Papers 40 (4): 751-81.
63. Group of Ten. 2001. Report on Consolidation in the Financial Sector. Available on the OECD website as well as at: www.imf.org/external/np/ g10/2001/01/Eng/ and at www.bis.org/publ/gten05.pdf.
64. Group of Thirty. 1997. Global Institutions, National Supervision, and Systemic Risk. A Study Group Report. Washington, D.C.: Group of Thirty.
65. Haberman, Gary. 1987. Capital Requirements of Commercial and Investment Banks: Contrasts in Regulation. Federal Reserve Bank of New York Quarterly Review (Fall): 1-10.
66. Hancock, Diana, and Myron L. Kwast. 2001. Using Subordinated Debt to Monitor Bank Holding Companies: Is It Feasible?. Journal of Financial Services Research 20 (2/3): 147-87.
67. Hassan, M. Kabir. 1993. Capital Market Tests of Risk Exposure of Loan Sales Activities of Large U.S. Commercial Banks. Quarterly Journal of Business and Economics 32 (1): 27-49.
68. Hassan, M. Kabir, Gordon V. Karels, and Manfred O. Peterson. 1993. Off- Balance Sheet Activities and Bank Default-Risk Premia: A Comparison of Risk Measures. Journal of Economics and Finance 17 (3): 69-83.
69. Hendricks, Darryll. 1996. Evaluation of Value-at-Risk Models Using Historical Data. Federal Reserve Bank of New York Economic Policy Review 2 (1): 39-69. Available at: www.newyorkfed.org/rmaghome/ econ_pol/496end.pdf.
70. Hendricks, Darryll, and Beverly J. Hirtle. 1997. Bank Capital Requirements for Market Risk: The Internal Models Approach. Federal Reserve Bank of New York Economic Policy Review 3 (4): 1-12. Available at: www.newyorkfed.org/ rmaghome/econ_pol/1297dhen.pdf.
71. Herring, Richard J., and Prashant Vankudre. 1987. Growth Opportunities and Risk-Taking by Financial Intermediaries. Journal of Finance 42 (July): 583-99.
72. HIH Royal Commission of the Commonwealth of Australia. 2003. The Failure of HIH: A Corporate Collapse and Its Lessons. Report of the HIH Royal Commission, Vol. 1. Available at: www.hihroyalcom.gov.au/finalreport/.
73. Hirtle, Beverly J. 2003. What Market Risk Capital Reporting Tells Us About Bank Risk. Federal Reserve Bank of New York Economic Policy Review 9 (3): 37-54. Available at: www.newyorkfed.org/rmaghome/ econ_pol/2003/0309hirt.pdf.
74. Hull, John C. 1993. Options, Futures, and other Derivative Securities, 2nd ed. Englewood Cliffs, N.J.: Prentice Hall.
75. Hulverscheidt, Claus, and Herbert Fromme. 2003. No State Help for German Insurers. Financial Times, April 4, 1.
76. International Monetary Fund (IMF). 2002. Global Financial Stability Report:A Quarterly Report on Market Developments and Issues. A Report by the International Capital Markets Department on Market Developments and Issues.
77. IOSCO. 1989. Capital Adequacy Standards for Securities Firms. A Report by the Technical Committee of the International Organization of Securities Commissions. Available at: http://riskinstitute.ch/138200.htm.
78. IOSCO. 1998. Methodologies for Determining Minimum Capital Standards for Internationally Active Securities Firms Which Permit the Use of Models Under Prescribed Conditions. A Report by the Technical Committee of the International Organization of Securities Commissions. Available at:www.iosco.org/pubdocs/pdf/IOSCOPD77.pdf.
79. Jagtiani, Julapa, and Catharine Lemieux. 2001. Market Discipline Prior to Bank Failure. Journal of Economics and Business 53 (2/3): 313-24.
80. Jagtiani, Julapa, George G. Kaufman, and Catharine Lemieux. 2002. The Effect of Credit Risk on Bank and Bank Holding Company Bond Yields:Evidence from the Post-FDICIA Period. Journal of Financial Research 25 (4): 559-75.
81. Joint Forum. 2001. Risk Management Practices and Regulatory Capital, Cross-Sectoral Comparison. Basel Committee Joint Publication No. 4. Available at:www.bis.org/publ/joint04.pdf.
82. Jorion, Philippe. 1995. Risk2: Measuring the Risk in Value-at-Risk. Financial Analysts Journal 52 (November): 47-56.
83. Jorion, Philippe. 2000. Risk Management Lessons from Long-Term Capital Management. European Financial Management 6: 277-300.
84. Jorion, Philippe. 2001. Value at Risk: The Benchmark for Managing Financial Risk, 2nd ed. New York: McGraw-Hill.
85. Jorion, Philippe. 2002. How Informative Are Value-at-Risk Disclosures?. Accounting Review 77 (October): 911-31.
86. J. P. Morgan. 1995. RiskMetrics Technical Manual. Available at: http:// www.riskmetrics.com/pdf/td4c.pdf.
87. Koyluoglu, Ugur, and Jim Stoker. 2002. Honour Your Contribution. Risk 15 (4): 90-94.
88. KPMG. 2002. Study in the Methodologies to Assess the Overall Financial Position of an Insurance Undertaking from the Perspective of Prudential Supervision. Report to European Commission Contract No. ETD/2000/BS-3001/C/45. Available at: http://europa.eu.int/comm/ internal_market/insurance/docs/solvency/solvency2-study-kpmg_en.pdf.
89. Kupiec, Paul. 1995. Techniques for Verifying the Accuracy of Risk Measurement Models. Journal of Derivatives 3: 73-84.
90. Kupiec, Paul, and David Nickerson. 2001. Assessing Systemic Risk Exposure under Alternative Approaches for Capital Adequacy. Presented at the Bank of England Conference on Banks and Systemic Risk. Available at:www.bankofengland.co.uk/financialstability/paper16may01.pdf.
91. Kuritzkes, Andrew P., and Hal S. Scott. 2004. Sizing Operational Risk and the Effect of Insurance: Implications for the Basel II Capital Accord. In Capital Adequacy Beyond Basel: Banking, Securities, and Insurance, ed. Hal S. Scott. New York: Oxford University Press.
92. Kuritzkes, Andrew P., Til Schuermann, and Scott M. Weiner. 2003. Risk Measurement, Risk Management, and Capital Adequacy in Financial Conglomerates. In Brookings-Wharton Papers on Financial Services, ed. Richard Herring and Robert E. Litan. Washington, D.C.: Brookings Institution Press.
93. Ladbury, Adrian. 1995. ING Deal Draws Insurers' Ire, ING's Write-Off of Insurance Units Cited. Business Insurance, Crains Communications, March 20, p. 69.
94. Linnell, Ian, David Andrews, and Jim Moss. 2000. Tier 3 Capital-Well Named and Unloved. Fitch Financial Institutions Special Report (July).
95. Linsmeier, Thomas J., and Neil D. Pearson. 1997. Quantitative Disclosures of Market Risk in the SEC Release. Accounting Horizons 11 (1): 107-35.
96. Lopez, Jose A. 1999. Regulatory Evaluation of Value-at-Risk Models. Journal of Risk 1 (2): 37-63.
97. Marshall, Christopher, and Michael Siegel. 1996. Value at Risk: Implementing a Risk Measurement Standard. Journal of Derivatives 4: 91-111.
98. Morgan, Donald P. 2002. Rating Banks: Risk and Uncertainty in an Opaque Industry. American Economic Review 92 (4): 874-88.
99. Morgan, Donald P., and Kevin J. Stiroh. 1999. Bond Market Discipline of Banks: Is the Market Tough Enough? Federal Reserve Bank of New York Staff Report 95 (December). Available at: www.newyorkfed.org/rmaghome/ staff_rp/sr95.pdf.
100. Neftci, Salih N. 2000. Value-at-Risk Calculations, Extreme Events, and Tail Estimation. Journal of Derivatives 7 (3): 23-38.
101. Pritsker, Matthew G. 2001. The Hidden Dangers of Historical Simulation. Board of Governors of the Federal Reserve System FEDS Working Paper No. 2001-27. Available at: www.federalreserve.gov/pubs/ feds/2001/200127/200127pap.pdf.
102. Rajgopal, Shivaram. 1999. Early Evidence on the Informativeness of the SEC's Market Risk Disclosures: The Case of Commodity Price Risk Exposure of Oil and Gas Products. Accounting Review 74 (3): 251-80.
103. Saunders, Anthony. 2000. Financial Institutions Management, A Modern Perspective, 3rd ed. Boston: Irwin McGraw-Hill.
104. Scott, Hal S., and Shinsaku Iwahara. 1994. In Search of a Level Playing Field:The Implementation of the Basel Accord in Japan and the United States. Washington, D.C.: Group of Thirty Occasional Paper No. 46.
105. Scott, Hal S., and Philip A. Wellons. 1999. International Finance: Transactions, Policy and Regulation, 6th ed. New York: Foundation Press.
106. Securities and Exchange Commission (SEC). 1997a. Net Capital Rule. SEC Release No. 34-39456, File No. S7-32-97. Available at: www.sec.gov/ rules/concept/34-39456.txt.
107. Scott, Hal S., and Philip A. Wellons. 1997b. Disclosure of Accounting Policies for Derivative Financial Instruments and Derivative Commodity Instruments and Disclosure of Quantitative and Qualitative Information about Market Risk Inherent in Derivative Financial Instruments, Other Financial Instruments, and Derivative Commodity Instruments. Release 33-7386, FFR-48. Available at:www.sec.gov/rules/final/33-7386.txt.
108. Scott, Hal S., and Philip A. Wellons. 1998. OTC Derivatives Dealers. SEC Release No. 34-40594, File No. S7-30-97. Available at: www.sec.gov/rules/final/34-40594.htm.
109. Scott, Hal S., and Philip A. Wellons. 2002. Regulation FD-Fair Disclosure, Reg. §243.
110. Stahl, Gerhard. 1997. Three Cheers. Risk 10 (5): 67-9.
111. Swiss Re. 2000. Asset Liability Management for Insurers. Sigma 6.
112. Troxel, Terrie E., and George E. Bouchie. 1995. Property-Liability Insurance Accounting and Finance, 4th ed. Malvern, PA: American Institute for CPCU.
113. U. S. General Accounting Office (USGAO). 1998. Risk-Based Capital:Regulatory and Industry Approaches to Capital and Risk. Report to the Chairman, Committee on Banking, Housing, and Urban Affairs, U.S. Senate, and the Chairman, Committee on Banking and Financial Services, House of Representatives, GAO/GGD-98-153. Available at: www.gao.gov/archive/1998/ gg98153.pdf.
114. U.S. Shadow Financial Regulatory Committee. 2000. Reforming Bank Capital Regulation. Washington, D.C.: American Enterprise Institute. Available at: www.aei.org/research/shadow/publications/pubID.16542,projectID.15/ pub_detail.asp.
115. Webb, Bernard L., and Claude C. Lilly III. 1994. Raising the Safety Net: Risk-Based Capital for Life Insurance Companies. Kansas City: NAIC Publications.
116. Wilke, John R. 2002. U.S. Probes Whether Big Banks Stifled Rival in Currency Trading. The Wall Street Journal, May 15, A1.
117. Zhang, Peter G. 1998. Exotic Options: A Guide to Second Generation Options, 2nd ed. Singapore: World Scientific.