Now showing items 1-10 of 38
The Discontents of Islamic Economic Morality
(American Economic Review, 1996-05-01)
One hundred years of forgetting: A quantitative description of retention
(Psychological Review, 1996-12-01)
A sample of 210 published data sets were assembled that (a) plotted amount remembered versus time, (b) had 5 or more points, and (c) were smooth enough to fit at least 1 of the functions tested with a correlation coefficient ...
T helper cells in murine germinal centers are antigen-specific emigrants that downregulate Thy-1.
(J Exp Med, 1996-09-01)
After immunization, activated splenic T cells proliferate in periarteriolar lymphoid sheaths (PALS) and subsequently migrate to the lymphoid follicle where they enter nascent germinal centers. Analysis of TCR V(D)J gene ...
Global Commodity Chains: New Forms of Coordination and Control Among Nations and Firms in International Industries.
(Competition & Change, 1996-05)
Periodic Autoregressive Conditional Heteroskedasticity
Most high-frequency asset returns exhibit seasonal volatility patterns. This article proposes a new class of models featuring periodicity in conditional heteroscedasticity explicitly designed to capture the repetitive seasonal ...
Spatial imagery preserves temporal order.
Line drawings were presented in either a spatial or a nonspatial format. Subjects recalled each of four sets of 24 items in serial order. Amount recalled in the correct serial order and sequencing errors were scored. In ...
On extremals with prescribed Lagrangian densities
(Manifolds and geometry (Pisa, 1993)Symposia Mathematica, 1996)
This article studies some examples of the family of problems where a Lagrangian is given for maps from one manifold to another and one is interested in the extremal mappings for which the Lagrangian density takes a prescribed ...
Factor-Hoarding and the Propagation of Business-Cycle Shocks
(American Economic Review, 1996-12-01)
This paper analyzes the role of variable capital-utilization rates in propagating shocks over the business cycle. The model on which our analysis is based treats variable capital-utilization rates as a form of factor-hoarding. ...
Reciprocal Exchange: A Self-Sustaining System
(American Economic Review, 1996-09-01)
Reciprocal exchange, or gift exchange, remains a widespread means of obtaining goods and services. This paper examines the persistence of reciprocal exchange by formalizing the interaction between self-enforcing exchange ...
Protecting the environment when costs and benefits are privately known
(RAND Journal of Economics, 1996-12-01)
I analyze different approaches for protecting the environment when stakeholders are privately informed about the costs and benefits of pollution reduction. The presence of asymmetric information calls for some important ...