This paper reviews recent academic work on the spatial concentration of entrepreneurship and innovation in the United States. We discuss rationales for the agglomeration of these activities and the economic consequences of clusters. We identify and discuss policies that are being pursued in the...

We analyze a comprehensive sample of more than 10,000 U.S. stocks in the OTC market. As little is known about this market, we first characterize OTC firms by trading venue and provide evidence on survival, success, frequency of venue changes, reporting status, and trading activity. A large...

The consequences of information differences across investors in capital markets are still much debated. This paper examines the relation between information differences across investors and the cost of capital, and makes three points. First, in models of perfect competition, information...

This paper develops and tests the hypothesis that accounting rules mitigate the effect of tax policy on firm investment decisions by obscuring the timing of tax payments. I model a firm that maximizes a discounted weighted average of after-tax cash flows and accounting profits. I estimate the...

Interpreting accruals as working capital investment, we hypothesize that firms rationally adjust their investment to respond to discount rate changes. Consistent with the optimal investment hypothesis, we document that (i) the predictive power of accruals for future stock returns increases with...

This paper examines R&D activities in the European Community using the Community R&D Information Service (CORDIS) databases. We find that a country's private companies tend to be specialized in the same scientific fields as its universities and public organizations. In addition, we construct...

An industrial policy of subsidizing physical capital investment has been utilized in many countries in order to encourage export growth and spread economic development to outlying areas. For Israel, we possess a unique time series-cross section micro data set that details investment and its...

The pre-1990 Swedish tax system strongly disfavored younger, smaller and less capital-intensive firms and sectors and discouraged entrepreneurship and family ownership of businesses in favor of institutional ownership. Credit market regulations, the national pension system, employment security...

Business support policies designed to raise productivity and employment are common worldwide, but rigorous micro-econometric evaluation of their causal effects is rare. We exploit multiple changes in the area-specific eligibility criteria for a major program to support manufacturing jobs...

What factors determine national differences in the size and industry distribution of employment? We stress the role of the economic policy environment as determined by business taxes, employment securitylaws, credit market regulations, the national pension system, wage-setting institutions and...