Economic theory provides various explanations for vertical integration but transaction costs seem to be a major determinant of backward, forward and lateral integration. The paper studies integration trends in the newly emerging Bulgarian pharmaceutical sector, seeking transaction cost...

"Problems Book to Accompany Mathematics for Economists" is intended to complement any course in quantitative methods in economics, mathematical economics for undergraduate students or introductory mathematical economics for graduate students. It is aimed as an inexpensive supplement to nearly...

Machine generated contents note: Chapter 1 - Matrix Algebra -- Chapter 2 - Comparative Statics -- Chapter 3 - General-Function Models -- Chapter 4 - Optimization -- Chapter 5 - Exponential and Logarithmic Functions -- Chapter 6 - Unconstrained Optimization -- Chapter 7 - Constrained Optimization...

We study work effort with its various determinants such as the educational level of the worker, the minimum or start-up salary as well as the initial endowment of the worker. By means of optimization we find that optimal work effort depends directly on the initial income available to the worker,...