Bojan Jovanovic

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Is entrepreneurial talent entirely innate or do people learn to become entrepreneurs? We extend Lucas's (1978) model of entrepreneur-ship to account for the possibility entrepreneurial talents are partly acquired watching other entrepreneurs in action. This model implies that areas with more firms are also areas where average firms' productivity is higher.(More)
— The increasing usage of Residual Number System (RNS) in signal processing applications demands the development of new and more adaptable RNS moduli sets and arithmetic units. In this paper, a new reverse converter for moduli set {2 2n+1 −1,2 2n ,2 n − 1}, which can offers large dynamic range, is presented. We improved a previously introduced Mixed-Radix(More)
The availability of rich …rm-level data sets has recently led researchers to uncover new evidence on the e¤ects of trade liberalization. First, trade openness forces the least productive …rms to exit the market. Secondly, it induces surviving …rms to increase their innovation e¤orts and thirdly, it increases the degree of product market competition. In this(More)
The purpose of this paper is to present modern tennis science to a wider scientific audience. A biomechanical analysis of tennis shots and the corresponding racket/ball dynamics is presented together with its analogy with handball throws. The main difference between these two sport games is in the tennis racket (as an additional body segment with its(More)
BACKGROUND Severe liver injury in trauma patients still accounts for significant morbidity and mortality. Operative techniques in liver trauma are some of the most challenging. They include the broad and complex area, from damage control to liver resection. MATERIAL AND METHOD This is a retrospective study of 121 trauma patients with hepatic trauma(More)
This paper presents preliminary findings and is being distributed to economists and other interested readers solely to stimulate discussion and elicit comments. The views expressed in the paper are those of the author and are not necessarily reflective of views at the Federal Reserve Bank of New York or the Federal Reserve System. Any errors or omissions(More)