This study explores the impact of social capital on innovation by constructing a more general measure of social capital indicator consisting of generalized and institutional trust, associational activities and civic norms. We test the hypothesis that social capital has a positive impact on innovation at the national level. After controlling for R&D expenditure and human capital there is a posit...

We investigate the effects that regional start-up activity has on employment in new and in incumbent businesses. The analysis is performed for West German regions over the 1987-2002 period. It shows that the effects of new businesses on employment in the incumbents are significantly positive and that this indirect effect on incumbent employment leads to more jobs than what is created by the new...

We find that, across OECD countries, there is a strong link between the rate of self employment and the intensity of both productand labor-market regulations. The sensitivity of the self-employment rate to regulation appears greater in terms of statistical significance and magnitude than the sensitivity of unemployment. We then develop a model of rent creation and division featuring product and...

The clinical, light microscopic, ultrastructural, immunocytochemical and cytogenetic features of a case of monocytoid B cell lymphoma were investigated. The tumour initially affected the cervical and supraclavicular nodes, but 33 months later affected the left parotid salivary gland. The patient had subclinical Sjögren's syndrome. The neoplastic cells showed characteristic morphological feature...

Using data from representative population surveys in 17 countries, we find that the lower rate of female business ownership is primarily due to women’s lower propensity to start businesses rather than to differences in survival rates across genders. We show that women are less confident in their entrepreneurial skills, have different social networks and exhibit higher fear of failure than men. ...

In a large sample of entrepreneurs, 2D:4D (second-to-fourth digit) ratio and managerial performance are studied. Entrepreneurs with lower ratio manage larger firms, manage larger firms when acquire control and experience faster average growth. Firms run by high prenatal testosterone entrepreneurs have lower profitability as measured by return on assets and return on sales. Prenatal testosterone...

Immigrants can expand labor supply and compete for jobs with native-born workers. But immigrants may also start new firms, expanding demand. This paper uses US administrative data other sources to study the role of in entrepreneurship. We ask how often companies, many these firms create, founded by individuals compare. A simple model provides a measurement framework addressing dual roles as fou...

The destructive soilborne Fusarium species is one of the most serious challenges facing agriculture. Mycotoxins produced by spp. can induce both acute and chronic toxic effects on humans animals. Massive investments have been made in last few decades to develop an appropriate management strategy control cereals, particularly wheat, using genetic resistance other practices, with varied outcomes....