In this paper, center conditions and bifurcation of limit cycles at the nilpotent critical point in a class of septic polynomial differential systems are investigated. With the help of computer algebra system MATHEMATICA, the first 13 quasi-Lyapunov constants are deduced. As a result, sufficient...

Using statewide data from Florida, we analyze the impact of both pre-service and in-service training on the ability of teachers to promote academic achievement among students with disabilities. We find students with disabilities whose teacher is certified in special education have greater...

This paper presents the first causal evidence on the effects of school accountability systems on teacher labor markets. We exploit a 2002 change in Florida's school accountability system that exogenously shocked some schools to higher accountability grades and others to lower accountability...

This comprehensive and groundbreaking Handbook integrates economic and organization theories to help elucidate the design and evolution of economic organization. Economic organization is regarded both as a subject of inquiry and as an emerging disciplinary field in its own right, integrating...

Social capital is one of the most crucial factors determining the effectiveness of operations in a cooperative organisation. When membership of a cooperative decreases, the financial capital also decreases. An important asset of cooperatives is the commitment and loyalty of their members....

We develop a holdup model where multiple parties in the food chain (input suppliers, farmers, and buyers of the produce) invest in co-specific assets necessary for an innovative product. Shapley value is used in a multilateral bargaining game to assign bargaining power to the players, which...

This article explores whether new teachers are assigned to tough classrooms and whether such classroom assignment is associated with higher teacher mobility. It utilizes the statewide administrative data set on public school teachers in Florida during the period 1997–2003 in conjunction with...

Purpose Currently, in China, the governance structure of modern companies gives directors great powers to pursue profits. However, little attention is paid to the undertaking of corporate philanthropic activities. Therefore, rules on directors’ behavior in terms of corporate philanthropy are...

VAG—a prototype animated, interactive, three-dimensional virtual environment model of a supply chain in the agribusiness sector has been developed as a CD-based game of strategy. Users (players) have to both create their supply chain by choosing the components that make it up, and then play...