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Editorial: Three types of interaction

by Michael G. Moore - The American Journal of Distance Education , 1992
"... Many of the greatest problems of communicating about concepts, and, therefore, practice in distance education arise from our use of crude hypothetical constructs-terms like distance, independence, and interaction, which are used in very imprecise and general ways, each having acquired a multiplicity ..."
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and generally agreed upon. Progress in this direction was made in a panel discussion convened by the Divisions of Independent Study and Educational Telecommunications of the National University Continuing Education Association at its annual meeting in Salt Lake City on 16 April 1989. Chaired by Shirley Davis

The Effects of Immigration on the Labor Market Outcomes of Less-Skilled Natives

by Joseph Altonji, David Card, Gregory Defreitas, Richard Freeman, Peter Kuhn, Participants In , 1991
"... This paper was prepared as a contribution to the Trade and Immigration Project of the National Bureau of Economic Research. We have also received research support from the Center for Urban Affairs and Policy Research, Northwestern University and the Industrial Relations Section, Princeton University ..."
Abstract - Cited by 343 (13 self) - Add to MetaCart
This paper was prepared as a contribution to the Trade and Immigration Project of the National Bureau of Economic Research. We have also received research support from the Center for Urban Affairs and Policy Research, Northwestern University and the Industrial Relations Section, Princeton

Accounting for US Real Exchange Rate Changes

by Charles Engel - Journal of Political Economy , 1999
"... This study measures the proportion of U.S. real exchange rate movements that can be accounted for by movements in the relative prices of nontraded goods. The decomposition is done at all possible horizons that the data allow—from one month up to 30 years. The accounting is performed with five differ ..."
Abstract - Cited by 296 (34 self) - Add to MetaCart
of nontraded goods relative to traded goods. To see why, consider a price index for a country that is a geometric weighted average of traded- and nontraded-goods prices: pt � (1 � α)p T t � αp N t, I thank participants at seminars at the Federal Reserve Bank of Kansas City, the NBER, the University

Okapi at TREC-7: Automatic ad hoc, filtering, VLC and interactive track

by S.E. Robertson, S. Walker, M. Beaulieu, Peter Willett - In , 1999
"... e passes. Two pairs of runs were submitted: in one pair queries remained constant, but in the other query terms were reweighted when fresh relevance information became available. VLC track Four runs on the full database were submitted, together with one each on the 10# and 1# collections. Unexpect ..."
Abstract - Cited by 152 (0 self) - Add to MetaCart
feedback against Okapi without, and Okapi without against ZPrise without. Okapi without performed somewhat worse than ZPrise, and Okapi with only partially recovered the de#cit. # Microsoft Research Ltd, 1 Guildhall Street, Cambridge CB2 3NH, UK, and City University, London, UK. email ser

City University

by David Parkin, Nancy Devlin
"... Copyright & reuse City University London has developed City Research Online so that its users may access the research outputs of City University London's staff. Copyright © and Moral Rights for this paper are retained by the individual author(s) and / or other copyright holders. All materia ..."
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Copyright & reuse City University London has developed City Research Online so that its users may access the research outputs of City University London's staff. Copyright © and Moral Rights for this paper are retained by the individual author(s) and / or other copyright holders. All

Published by Oxford University Press 2013. Carcinogenesis vol.34 no.11 pp.2512–2520, 2013

by Krista A. Zanetti, Bríd M. Ryan, Julie E. Goodman, Curtis C. Harris, Joel Weissfeld, Wen-yi Huang, Stephen Chanock, Meredith Yeager, Richard B. Hayes, Sonja I. Berndt* Genetics, Epidemiology Of , 2013
"... doi:10.1093/carcin/bgt228 ..."
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doi:10.1093/carcin/bgt228

Shifting Endpoints In The Term Structure Of Interest Rates

by April Sharon Kozicki, P. A. Tinsley , 1997
"... : This paper links the term structure to perceptions of monetary policy. Long-horizon forecasts of short rates required by no-arbitrage term structure models are heavily influenced by the endpoints, or limiting conditional forecasts, of the short rate process. Common assumptions that the short rate ..."
Abstract - Cited by 116 (9 self) - Add to MetaCart
in long-term policy goals. Shifting endpoints in short rate processes significantly improve yield predictions. Keywords: Expectations Hypothesis, changepoints, breakpoints, learning JEL classification: E43 a Federal Reserve Bank of Kansas City, 925 Grand Boulevard, Kansas City MO 64198, USA. b

Materials for an exploratory theory of the network society.

by Manuel Castells , Anthony Giddens , Alain Touraine , Anthony Smith , Benjamin Barber , Peter Hall , Roger-Pol Droit , Sophie Watson , Frank Webster , Krishan Kumar , David Lyon , Craig Calhoun , Jeffrey Henderson , Ramon Ramos , Jose E Rodrigues-Ibanez , Jose F Tezanos , Mary Kaldor , Stephen Jones , Christopher Freeman - The British Journal of Sociology , 2000
"... ABSTRACT This article aims at proposing some elements for a grounded theor y of the network society. The network society is the social structure characteristic of the Information Age, as tentatively identi ed by empirical, cross-cultural investigation. It permeates most societies in the world, in v ..."
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the technologies associated with the Industrial Revolution, or with the previous Information Revolution (printing). Furthermore, we are only at the beginning of this technological revolution, as the Internet becomes a universal tool of interactive communication, as we shift from computer-centred technologies

Housing supply and housing bubbles

by Edward L. Glaeser, Joseph Gyourko, Albert Saiz - Journal of Urban Economics , 2008
"... Like many other assets, housing prices are quite volatile relative to observable changes in fundamentals. If we are going to understand boom-bust housing cycles, we must incorporate housing supply. In this paper, we present a simple model of housing bubbles which predicts that places with more elast ..."
Abstract - Cited by 110 (13 self) - Add to MetaCart
exclusively experienced in cities where housing supply is more inelastic. More elastic places had slightly larger increases in building during that period. Over the past five years, a modest number of more elastic places also experienced large price booms, but as the model suggests, these booms seem to have

Self-concordance at work: Toward understanding the motivational effects of transformational leaders.

by Joyce E Bono , Timothy A Judge - Academy of Management Journal, , 2003
"... We extend existing theories by linking transformational leadership to "self-concordance" at work. In two studies using diverse samples and methods, leader behaviors were associated with follower tendencies to set self-concordant goals. In general, followers of transformational leaders vie ..."
Abstract - Cited by 113 (3 self) - Add to MetaCart
This manuscript is based on the dissertation of the first author, which was completed under the supervision of the second. The Multifactor Leadership Questionnaire, Form 5X (copyright 1995 by Bernard Bass and Bruce Avolio), was used with the permission of Mind Garden, 1690 Woodside Road, Suite 202, Redwood City
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