This paper studies constrained portfolio problems that may involve constraints on the probability or the expected size of a shortfall of wealth or consumption. Our first contribution is that we solve the problems by dynamic programming, which is in contrast to the existing literature that...

The public debt stock in some economically developed countries continues to increase because of a lack of tax revenues and the concomitant burdens of social security. Many of those countries suffer from lower birth rates and consequently, have fewer children. Child allowances might be an...

The paper sets up a two-country asymmetric trade model with heterogeneous firms,search frictions and endogenous labor market institutions. Countries are linked by tradein goods and non-cooperatively set unemployment benefits to maximize national welfare.We show that more open and smaller...

Governments purchase everything from airplanes to zucchini. This paper investigates whether the technological intensity of government demand affects corporate R&Dactivities. In a quality-ladder model of endogenous growth, we show that an increase in the share of government purchases in high-tech...

We propose a model of production where technical change is both time and management induced. We define a general management index in addition to the general time index of Baltagi and Griffin (1988) and use them as arguments in the translog productionfunction. Time and management induced...

The existing literature has shown that special interest groups can have both growthenhancing and retarding effects on an economy. In either case it is always assumed thatthe nature of the special interest groups remains constant over time. The hypothesis ofthis paper is that a dynamic...

Business cycle indicators based on the balance statistics are a widely used method tomonitor the actual economic situation. In contrast to official data, indicators frombusiness surveys are early available and typically not revised after their first publication.But as surveys can be in general...

Dieser Beitrag setzt sich mit dem Verhältnis von Schattenwirtschaft und Korruptionauseinander. Es wird insbesondere die Frage untersucht, welche Rolle die Schattenwirtschaftin korrupten Ökonomien spielt. Die Schattenwirtschaft begrenzt letztendlich dieMacht korrupter Institutionen, indem sie...