This paper shows that incomplete information and sufficient heterogeneity of players can ensure uniqueness in interaction games. In contrast to recent work on uniqueness in interaction games, we do not require strategic complementarity. There are two parts to the argument. First, if a player's...

Does the common currency promote goods market integration within the EMU? We argue that such an effect is likely, but that the mechanism typically proposed - lover costs of arbitrage because of increased price transparency - is likely to be of minor importance. Instead we sketch a duopoly model...

This paper studies the behavior of inflationnafter nine large post-1990 contractionary devaluations. A salient feature of the data is that inflation is low relative to the rate of devaluation. We argue that distribution costs and substitution away from imports to lower quality local goods can...

The real exchange rate is said to be the single most important price in an economy. While we used to think that we knew what explained its movements (e.g., the Balassa-Samuelson effect), the recent much-cited result by Engel (1999) proposes a serious reinterpretation - i.e., nearly 100% of the...

We show the importance of a dynamic aggregation bias in accounting for the PPP puzzle. We prove that established time series and panel methods substantially exaggerate the persistence of real exchange rates because of heterogeneity in the dynamics of disaggregated relative prices. When...

We show the importance of a dynamic aggregation bias in accounting for the PPP puzzle. We prove that established time series and panel methods substantially exaggerate the persistence of real exchange rates because of heterogeneity in the dynamics of disaggregated relative prices. When...

This paper shows that incomplete information and sufficient heterogeneity of players can ensure uniqueness in interaction games. In contrast to recent work on uniqueness in interaction games, we do not require strategic complementarity. There are two parts to the argument. First, if a player’s...

This paper studies the behavior of inflationnafter nine large post-1990 contractionary devaluations. A salient feature of the data is that inflation is low relative to the rate of devaluation. We argue that distribution costs and substitution away from imports to lower quality local goods can...

Does the common currency promote goods market integration within the EMU? We argue that such an effect is likely, but that the mechanism typically proposed – lover costs of arbitrage because of increased price transparency – is likely to be of minor importance. Instead we sketch a duopoly...

The real exchange rate is said to be the single most important price in an economy. While we used to think that we knew what explained its movements (e.g., the Balassa-Samuelson effect), the recent much-cited result by Engel (1999) proposes a serious reinterpretation – i.e., nearly 100% of the...