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A Model of Primary and Secondary Waves in Investment Cycles

Fioretti, Guido - EconWPA - 2002

. Uniting Schumpeter's concern for innovation with Keynes' concern for uncertainty and expectations formation, this article … focuses on the behaviour of entrepreneurs confronting uncertainty caused by innovation. Entrepreneurs' behaviour is … opened up by a successful innovation generates a state of optimism in the minds of single entrepreneurs, which eventually …

Persistent link: https://www.econbiz.de/10005077089

Evidence Theory: A Mathematical Framework for Unpredictable Hypotheses

Fioretti, Guido - EconWPA - 2002

Shafer's evidence theory is a branch of the mathematics of uncertain reasoning that allows for novel possibilities to be conceived by a decision-maker. Many of its findings exhibit striking similarities with an alternative decision theory purported by Shackle in the 1950s, before expected...

Persistent link: https://www.econbiz.de/10005125582

A Cognitive Model of the Learning Curve

Fioretti, Guido - EconWPA - 2002

This article provides a cognitive foundation of the parameters that regulate a model of the learning curve. Organizational learning and its actual occurrence are linked to the number of available categories and to the amount of information to be processed.

Persistent link: https://www.econbiz.de/10005561382

How do Institutions Affect Corruption and the Shadow Economy?

Dreher, Axel; Kotsogiannis, Christos; McCorriston, Steve - EconWPA - 2005

This paper analyzes a simple model that captures the relationship between institutional quality, the shadow economy and corruption. It shows that an improvement in institutional quality reduces the shadow economy and affects the corruption market. The exact relationship between corruption and...

Persistent link: https://www.econbiz.de/10005125947

CORRUPTION AROUND THE WORLD: EVIDENCE FROM A STRUCTURAL MODEL

Dreher, Axel; Kotsogiannis, Christos; McCorriston, Steve - EconWPA - 2004

The causes and consequences of corruption have attracted much attention in recent years by both academics and policy makers. Central in the discussion on the impact of corruption are perception-based indices. While informative, these indices are ordinal in nature and hence provide no indication...

Persistent link: https://www.econbiz.de/10005125948