For utility maximization problems under proportional transaction costs, it has been observed that the original market with transaction costs can sometimes be replaced by a frictionless {\em shadow market} that yields the same optimal strategy and utility. However, the question of whether or not...

This paper analyses the effects of transitory increases in government spending when public debt is used as liquidity by the private sector. Aggregate shocks are introduced into an incomplete-market economy where heterogenous, infitely-lived households face occasionally binding borrowing...

In Sub-Saharan Africa (SSA) the informal sector is a major engine for employment, entrepreneurship and growth. The high incidence of corruption is another distinctive feature of SSA. According to the last Transparency International Corruption Perception Index almost 70% of SSA countries ranked...

We investigate the link between employee ownership and price levels of stocks. Using a comprehensive sample of firms in the Société des Bourses Françaises (SBF) 120 Index from 2000 to 2007, we document a negative correlation between share price levels and employee ownership. This suggests...

About 90% of entrepreneurs in the high-tech and professional service industries were previously employed in the same sector. In this paper, we provide a theory for how aspiring entrepreneurs choose an employer. We contrast 'transparent' employers (or firms) promoting personal accountability and...

We propose a joint modeling of spot electricity prices, forwards prices and other derivative prices, using recent developments in discrete time asset pricing methods based on the notions of stochastic discount factor and of compound autoregressive (or affine) stochastic processes. We show that...

The literature on R&D collaboration highlights a broad set of rationales for allying with other organizations. At the same time, it has been reported that there exists a large variety of forms of collaboration. Nevertheless, the relation between the motives to collaborate and the different forms...

This article achieves to assess the impact of Poland’s accession to the European Union (EU) on factor and product markets, household consumption, economic growth and also on welfare. To explore the effects of regional integration in this specific transition economy, we implement an applied...