A first step in the 'big bang' markets was the deregulation of the foreign exchange market on April 1, 1998. This paper examines how the bid-ask spread and conditional volatility in the yen/dollar foreign exchange market changed around the time of the deregulation. Intra-day data are analyzed...

This paper examines intra-day patterns of the exchange rate behavior, using the "firm" bid-ask quotes and transactions of USD-JPY and Euro-USD recorded in the electronic broking system of the spot foreign exchange markets. The U-shape of intra-day activities (deals and price changes) and return...

With the high-frequency data of firm quotes in the transaction platform of foreign exchanges, arbitrage profit opportunities--in the forms of a negative bid-ask spread of a currency pair and triangular transactions involving three currency pairs--can be detected to emerge and disappear in the...

The purpose of this paper is to characterize the changes in risk premium in the 1980s. A five-variable vector autoregressive model (VAR) is constructed to calculate a risk premium series in the foreign exchange market. The risk premium series is volatile and time-varying. The hypothesis of no...

This paper examines intra-day patterns of the exchange rate behavior, using the %u201Cfirm%u201D bid-ask quotes and transactions of USD-JPY and Euro-USD recorded in the electronic broking system of the spot foreign exchange markets. The U-shape of intra-day activities (deals and price changes)...

This paper defines and tests a form of market efficiency called market dexterity which requires that asset prices adjust instantaneously and completely in response to new information. Examining the behavior of the yen/dollar exchange rate while each of the major markets are open it is possible...