The paper discusses three general classes of nonlinear programming models. Our objective is to show how to represent optimization problem, such as nonlinear programs, in a compact format using extended mathematical programming. This is a useful tool, especially in cases when complementarity...

This paper considers the role which selfish, moral and social incentives and pressures play in explaining the extent to which stated choices over pro-environment behaviours vary across individuals. The empirical context is choices over household waste contracts and recycling actions in Poland. A...

We suggest that the term structure of volatility futures (e.g. VIX futures) shows a clear pattern of dependence on the current level of VIX index. At the low level of VIX (below 20) the term structure is highly upward sloping; at the high VIX level (over 30) it is strongly downward sloping. We...

Procurement auctions are one of several policy tools available to incentivise the provision of ecosystem services and biodiversity conservation. Successful biodiversity conservation often requires a landscape-scale approach and the spatial coordination of participation, for example in the...

This paper explores the relationship between ethnic competition and complementarity in returns to self-employment. We use detailed individual data from the U.S. censuses. We find that while in general business competition is detrimental to profitability, higher self-employment concentrations of...

This paper proposes a theoretical framework to capture the underlying mechanisms of the innovative online crowdfunding. The goal of this work is to emphasize the advantages of crowdfunding platforms over traditional methods of sale, by describing the capabilities unique to such model and...

Has the crisis indeed demonstrated that as profession we are misled by the beauty of the mathematical models and the only useful, workable solutions at hand were provided in early 1930s? The objective of this paper is to provide a review of the current state-of-the-art literature from the...

This paper uses the insights from the Optimal Speed of Transition literature to inquire the causes of relatively higher unemployment rate in a transition context. We study whether local variation in unemployment rates is related to labor turnover. In addition, the paper aims to assess the...

This study evaluates quantitatively the context of gender discrimination in transition countries in terms of access to the labor market. Over economic transition female labor market participation has generally weakened. Notwithstanding, transition countries differ in institutional design,...

The purpose of this study is to investigate the impact of an individual trait of altruism on social preferences and hence willingness to pay (WTP) for changes in forest management strategies in the Białowieża Forest in Poland. We used data from a discrete choice experiment (CE), where...