The “border effect” literature ?nds that political boundaries have a large impact on relative prices, implicitly adding several thousands of miles to trade. In this paper we show that the standard empirical speci?cation suffers from selection bias, and propose a new methodology based on...

The "border effect" literature finds that political borders have a very large impact on relative prices, implicitly adding several thousands of miles to trade. In this paper we show that the standard empirical specification suffers from selection bias, and propose a new methodology based on...

We analyze the behaviour of prices in Uruguay using a unique database of 30 millions daily prices. We find that prices change about 5 times a year with no seasonal patter. Prices changes are highly synchronised and concentrated on the first day of the month. Our paper is the first to present...

We analyze the effect of supermarket entry on the exit of small stores in the food retailing sector in Montevideo between 1998 and 2007. We use detailed geographical information to identify the link between supermarket entry and the exit of nearby small stores. Entry of supermarkets using small-...

We analyze the effect of supermarket entry on the exit of small stores in the food retailing sector in Montevideo between 1998 and 2007. We use detailed geographical information to identify the link between supermarket entry and the exit of nearby small stores. Entry of supermarkets using small-...

We use a rich and unique dataset of 20 million daily prices in groceries and supermarkets across the country to analyze stylized facts of the behaviour of consumer prices. Our findings are as follows: i) The median duration of prices is little over 2 months. Therefore, retail prices in Uruguay...

We use a novel dataset of online prices of identical goods sold by four large global retailers in dozens of countries to study good-level real exchange rates and their aggregated behavior. First, in contrast to the prior literature, we demonstrate that the law of one price holds perfectly within...

type="main" <p>We study the daily behavior of supermarket prices and product availability following two recent natural disasters: the 2010 earthquake in Chile and the 2011 earthquake in Japan. In both cases there was an immediate and persistent effect on product availability. The number of goods...</p>

We study the daily behavior of supermarket prices and product availability following two recent natural disasters: the 2010 earthquake in Chile and the 2011 earthquake in Japan. In both cases there was an immediate and persistent effect on product availability. The number of goods available for...