-like strategies, with deviations above and below the steady state leading to different responses. We extend the theory of differential …

years. The intervention includes students aged 7-9 and consists of pulling students from their regular mathematics classes … into small, homogenous groups for mathematics instruction for 3 to 4 hours per week, for two periods of 4-6 weeks per … their performance in mathematics by .16 standard deviations at the end of the school year and by .06 standard deviations in …

differential equations. It consists in determining the value function by using a set of nodes and basis functions. We provide two …

In this paper we focus on specification of revenue functions in their dual price space. We consider two distance … functions, both dual to the revenue function: Shephard output distance function and the directional output distance function …

qualitative analysis. Very precise and intuition-building results are obtained by working with models which provide closed …