Why has the United States economy successfully moved beyond its chief competitors? This collection suggests that at least some of the answers to the pattern of divergent development can be found in the role of the entrepreneur. By examining the process that new firms and entrepreneurs play in the economy, the essays in this volume make a fundamental contribution to our understanding of the macroeconomy. The public policy implications of this process are clear. Countries that encourage entrepreneurship and free entry will have better macroeconomic performance than those that retard it.