Now showing items 1-10 of 91
How and when does complex reasoning occur? Empirically driven development of a learning progression focused on complex reasoning about biodiversity
(Wiley Subscription Services, Inc., A Wiley Company, 2009-08)
In order to compete in a global economy, students are going to need resources and curricula focusing on critical thinking and reasoning in science. Despite awareness for the need for complex reasoning, American students ...
Equilibrium Values in a Competitive Power Exchange Market
(Kluwer Academic Publishers; Springer Science+Business Media, 2001-02)
We consider an open electricity market with demand uncertainty.In this market, the generators each decide on a bidding price tomaximize profit. Units are dispatched in order of the bid from lowestto highest until demand ...
A multi-dynamic-factor model for stock returns
(Elsevier, 1992)
In this paper, we define dynamic and static factors and distinguish between the dynamic and static structure of asset excess returns. We examine the value-weighted market portfolio as a dynamic factor and propose an ...
Knowledge Integration in Science Teaching: Analysing Teachers' Knowledge Development
(Kluwer Academic Publishers; Springer Science+Business Media, 2004-03)
This paper tests the utility of a new sociocognitive frame for analysing the development of teachers' knowledge – the knowledge integration perspective (Linn, Eylon, & Davis, in press; Linn & Hsi, 2000). In doing so, the ...
Asset pricing with a factor-arch covariance structure : Empirical estimates for treasury bills
(Elsevier, 1990)
In this paper we suggest using the FACTOR-ARCH model as a parsimonious structure for the conditional covariance matrix of asset excess returns. This structure allows us to study the dynamic relationship between asset risk ...
Social security health insurance for the informal sector in Nicaragua: a randomized evaluation
(John Wiley & Sons, Ltd., 2010-09)
This article presents the results from an experimental evaluation of a voluntary health insurance program for informal sector workers in Nicaragua. Costs of the premiums as well as enrollment location were randomly allocated. ...
The WALRAS Algorithm: A Convergent Distributed Implementation of General Equilibrium Outcomes
(Kluwer Academic Publishers; Springer Science+Business Media, 1998-08)
The WALRAS algorithm calculates competitive equilibria via a distributed tatonnement-like process, in which agents submit single-good demand functions to market-clearing auctions. The algorithm is asynchronous and decentralized ...
Estimating the effect of a gasoline tax on carbon emissions
(John Wiley & Sons, Ltd, 2011-11)
Recently the proposal has been made to raise gasoline taxes in the United States to curb carbon emissions. The existing literature on the sensitivity of gasoline consumption to changes in price may not be appropriate for ...
Teaching with difference: A response to Angela Calabrese Barton: Teaching science with homeless children: Pedagogy, representation, and identity
(John Wiley & Sons, Inc., 1998-04)
No abstract.