We examine how credit constraints affect the cyclical behavior of productivity-enhancing investment and thereby volatility and growth. We first develop a simple growth model where firms engage in two types of investment: a short-term one and a long-term productivity-enhancing one. Because it...

We explore the question of how political institutions and particularly democracy affect economic growth. Although empirical evidence of a positive effect of democracy on economic performance in the aggregate is weak, we provide evidence that democracy influences productivity growth in different...

In this paper I use a panel data set to investigate the mechanics of sudden stops of capital inflows and current account reversals. I am particularly interested in four questions: (a) What is the relationship between sudden stops and current account reversals? (b) To what extent does financial...

In this paper we analyze the macroeconomic record of 'strictly dollarized' economies. In particular we investigate whether dollarized countries have historically exhibited faster growth and lower volatility than countries with a domestic currency. We analyze this issue by using a treatment...

In this paper we analyze the macroeconomic record of dollarized economies. In particular, we investigating whether, as its supporters' claim, dollarization is associated with lower inflation and faster growth. We analyze this issue by using a matching estimator technique developed in the...

In this paper I investigate the historical record of countries that have lived under a 'dollarized' monetary system. As it turns out, this is a very small group of counties, most of which have operated under very special circumstances, and for which there are very limited data. The results...

For over a century social analysts have debated the connection between trade policy and economic performance. This controversy continues today, even as the world is experiencing an unprecedented period of trade liberalization, and in spite of numerous empirical studies that claim to have found a...

This paper analyzes the determinants of savings in the world economy, and discusses why saving ratios have been so uneven across countries. A distinction is made between private and government savings, using panel data for 36 countries, from 1970 to 1992. In particular, it is assumed that...

This paper examines the potential impact of artificial intelligence (A.I.) on economic growth. We model A.I. as the latest form of automation, a broader process dating back more than 200 years. Electricity, internal combustion engines, and semiconductors facilitated automation in the last...