In microeconomic analysis functions with diminishing returns to scale (DRS) have frequently been employed. Various properties of increasing quasiconcave aggregator functions with DRS are derived. Furthermore duality in the classical sense as well as of a new type is studied for such aggregator...

It is well known that the size of the informal (black or grey) economy causes serious fiscal problems for Hungary. This study makes an attempt to quantify the budgetary and macroeconomic effects of different ways of widening the formal sector (whitening”) with the help of a model. It turns out...

It is well known that the size of the informal (black or grey) economy causes serious fiscal problems for Hungary. This study makes an attempt to quantify the budgetary and macroeconomic effects of different ways of widening the formal sector (whiteningʺ) with the help of a model. It turns out...

Also published as DFAE-II Working Paper 2002-26 and as an article in: Journal of Economic Dynamics and Control, 2004, vol. 28, issue 11, pages 2297-2325

Over the past two decades, an enormous amount of work has been done to improve the Expected Utility model. Two areas have attracted major attention: the possibility of describing unforeseen contingencies and the need to accomodate the kind of behavior ref

Elias Khalil's "Information, Knowledge and the Close of Friedrich Hayek's System," argues that an internal contradiction exists within Hayek's political economy relating to his use of information and knowledge. As a result, Khalil argues that neither Hayek's critique of planning nor his defense...