In this paper we study the dynamic behavior of stock returns and volatility in emerging financial markets. In particular, we focus our attention on the following questions: (1) Does stock return volatility in emerging markets change over time? If so, are volatility changes predictable? (2) How...

This paper develops a two-country model in which trade is central to the process by which technology diffuses from the innovating country (North) to the backward country (South). Innovation in North leads to the introduction of higher-quality equipment goods that South can import only after some...

It is well known that movements in lending rates are asymmetric; they rise quickly and sharply, but fall slowly and gradually. Not known is the fact that the asymmetry is stronger the less developed a country's financial system is. This new fact is here documented and explained in a model with an...

We study the effects of large transportation costs on economic development. We argue that the Midwest and the Northeast of the U.S. is a natural case because starting from 1840 decent data is available showing that the two regions shared key characteristics with today’s developing countries...

I develop a novel view of the trade frictions between rich and poor countries by arguing that to reconcile bilateral trade volumes and price data within a standard gravity model, the trade frictions between rich and poor countries must be systematically asymmetric, with poor countries facing...

"In this paper, we use data from developing countries to argue that sovereign defaults are often caused by fiscal pressures generated by large-scale domestic defaults. We argue that these systemic domestic defaults are caused by shocks best interpreted as being non-fundamental. We construct a...