6.3 Absolute and relative PPP 126
6.4 A generalized version of PPP 128
6.5 Measurement problems in testing for PPP 129
6.6 Empirical evidence on PPP 130
6.7 Summary of empirical evidence on PPP 135
6.8 Explaining the poor performance of purchasing power parity
theory 139
6.9 The Balassa-Samuelson model 141
6.10 Per capita income levels, the relative sizes of economies and the
importance of PPP estimates 143
6.11 Conclusions 145
7 Modem Models of Exchange Rate Determination 147
7.1 Introduction 147
7.2 Asset prices 148
7.3 Uncovered interest rate parity 149
7.4 The monetary models of exchange rate determination 152
7.5 The flexible-price monetary model 152
7.6 The Dornbusch sticky-price monetarist model 154
7.7 A simple explanation of the Dornbusch model 155
7.8 A formal explanation of the Dornbusch model 157
- 7.9 Derivation of the goods-market equilibrium schedule 158
7.10 Derivation of the money-market equilibrium schedule 159
7.11 A money supply expansion and exchange rate 'overshooting' 162
7.12 Importance of the sticky-price monetary model 163
7.13 The Frankel real interest rate differential model 164
7.14 Implications of the monetary views of exchange rate determination 166
7.15 Allowing for imperfect substitutability between domestic and
foreign bonds 169
7.16 A synthesis portfolio balance model 172
7.17 The importance of the portfolio balance model 174
7.18 Conclusions 175
8 The Portfolio Balance Model 178
8.1 Introduction 178
8.2 The concept of a risk premium 179
8.3 Different types of risk 181
8.4 A portfolio balance model 183
8.5 Derivation of the asset demand functions 186
8.6 Equilibrium of the model 187
8.7 The effects of a foreign exchange operation 188
8.8 The effects of an open market operation 189
8.9 The effects of a sterilized foreign exchange operation 190
8.10 A comparison of an FXO, OMO and SFXO 192
8.11 The dynamics of the model 193
8.12 The effects of a change in risk perceptions 194
8.13 Money versus bond-financed fiscal expansion 195
8.14 The risk premium, imperfect and perfect substitutability 198
8.15 Conclusions 200
9 Empirical Evidence on Exchange Rates 202
9.1 Introduction 202
9.2 What is an efficient market? 203
9.3 Exchange market efficiency tests 204
9.4 Alternative tests of the efficient market hypothesis 209
9.5 Summary of findings on exchange market efficiency 210
9.6 Empirical tests of exchange rate models 211
9.7 Exchange rate models: a forecasting analysis 213
9.8 Explaining the poor results of exchange rate models 216
9.9 The 'news' approach to modelling exchange rates 218
9.10 The longer-run predictability of exchange rate movements 221
9.11 Modelling exchange rate expectations 225
9.12 Empirical tests of different expectations mechanisms 227
9.13 Alternative approaches to modelling exchange rates: the role of
chartists and fundamentalists 228
9.14 Conclusions 230
10 Fixed, Floating and Managed Exchange Rates 235
10.1 Introduction 235
10.2 The case for fixed exchange rates 236
10.3 The case for floating exchange rates 238
10.4 The modern evaluation of fixed and flexible exchange rate
regimes 242
10.5 Specification of the objective function 242
10.6 The model 243
10.7 Determining equilibrium 245
10.8 Money demand shock 247
10.9 Aggregate demand shock 248
10.10 Aggregate supply shock 249
10.11 Managed floating 252
10.12 Conclusions 256
PART 3 THE POSTWAR INTERNATIONAL MONETARY SYSTEM
11 The International Monetary System 261
11.1 Introduction 261
11.2 The Bretton Woods system 263
11.3 Features of the system 263
11.4 A brief history of the Bretton Woods system 265
11.5 Why did the Bretton Woods system break down? 268
11.6 The post-Bretton Woods era 273
11.7 The Jamaica Conference of 1976 277
11.8 The Snake and the EMS 278
11.9 The second oil shock 279
11.10 The dazzling dollar, 1980-85 279
11.11 From Plaza to Louvre and beyond 280
11.12 Currency turmoil and crises post-1990 281
11.13 The present exchange rate system 289
11.14 The bipolar view of the international monetary system:
which exchange rate regime is best? 289
11.15 Reform of the international monetary system 295
11.16 The Williamson target zone proposal 295
11.17 The McKinnon global monetary target proposal 295
11.18 The Tobin foreign exchange tax proposal 296
11.19 Reform of the international financial architecture 297
11.20 Conclusions 300
12 The Eurocurrency and Eurobond Markets 304
12.1 Introduction 304
12.2 Participants in the Eurocurrency and Eurobond markets 306
12.3 The origins and development of the Eurocurrency market 306
12.4 The characteristics of the Eurodollar market 308
12.5 The competitive advantage of Eurobanks 309
12.6 The coexistence of domestic and Eurobanking 310
12.7 The creation of Eurodollar deposits and loans 310
12.8 The pros and cons of the Eurocurrency markets 312
12.9 Euromarkets and government regulation and policy 313
12.10 The international capital market and the Eurobond market 314
12.11 The origins and development of the Eurobond market 314
12.12 Typical features of a Eurobond 315
12.13 Control and regulation of the Eurobond market 316
12.14 The management of a Eurobond issue 318
12.15 Innovations in the Eurobond market 320
12.16 Conclusions 320
13 Currency Derivatives: Futures, Options and Swaps 323
13.1 Introduction 323
13.2 The growth of derivative markets 324
13.3 Exchange-traded futures and options contracts 325
13.4 Currency futures and currency forwards 326
13.5 The use of currency futures for hedging purposes 328
13.6 The symmetry of profit/losses on futures/forward positions 330
13.7 The pricing of currency futures 331
13.8 Currency options 332
13.9 A currency option versus a forward contract for hedging 335
13.10 A currency option versus a forward for speculating 336
13.11 The pricing of currency options 339
13.12 Intrinsic value and time value 340
13.13 The distribution of the option premium between time and
intrinsic value 341
13.14 The Garman and Kohlhagen option-pricing formula 346
13.15 A numerical example of the Garman-Kohlhagen formula 347
13.16 Problems with the currency option-pricing formula 349
13.17 The over-the-counter market in options 350
13.18 The swaps market 350
13.19 Potential currency swap scenarios 351
13.20 A currency swap agreement 352