In this paper we explain the apparent diversification discount of conglomerates without assuming inefficent-cross subsidisation through internal capital markets. Instead we assume that an internal capital market efficiently redistributes scare resources across a conglomerates divisions between...

In the present note, an effort will be made for a contribution to the economic theory by introducing a practical method to estimate entrepreneurship´s reward. As an example, a regression, based on the estimation of entrepreneurship´s reward, with baning panel data will yield the same main...

This paper presents a harmonized data set over the period 1972-2002, containing two-yearly data on the number of non-agricultural business owners and the size of the labour force for 23 OECD countries, as well as the quotient of these two variables which is called the business ownership rate of...

Although human capital externalities are a key variable in theories of economic growth, there has been little investigation of the mechanism by which these externalities are realized. We examine the relationship between the local levels of human capital and firm formation rates and find that...

London is one of the world’s major cities, and one of its most diverse. London’s cultural diversity is widely seen as a social asset, but there is little hard evidence on its importance for the city’s businesses. Theory and evidence suggest various links between urban cultural diversity...

Entrepreneurs are believed to be the ultimate engine of modern economic systems. Yet, the study of entrepreneurship suffers from the lack of consensus on the most crucial question: what makes an entrepreneur? A recent theory developed by Edward Lazear suggests that individuals mastering a...

Ethnic inventors play important roles in US innovation systems, especially in high-tech regions like Silicon Valley. Do ‘ethnicity-innovation’ channels exist elsewhere? This paper investigates, using a new panel of UK patents microdata. In theory, ethnicity might affect positively innovation...

The digital industries cluster known as 'Silicon Roundabout' has been quietly growing in East London since the 1990s. Now rebranded 'Tech City', it is now the focus of huge public and government attention. National and local policymakers wish to accelerate the local area's development: such...

This paper explores the effects of foreign direct investment, measured by mergers and acquisitions, on domestic entrepreneurial entry. We use a micro‐panel of more than two thousand individuals disaggregated by industry in seventy countries including both developed and developing economies,...

This paper shows that job creation of cohorts of U.S. firms is strongly influenced by aggregate conditions at the time of their entry. Using data from the Business Dynamics Statistics (BDS) we follow cohorts of young firms and document that their employment levels are very persistent and largely...