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301.
Ian H. Langford Ian J. Bateman Hugh D. Langford 《Environmental and Resource Economics》1996,7(3):197-211
The use of dichotomous choice (DC) questions in the elicitation of willingness to pay (WTP) in contingent valuation studies is common practice at the present time. Recent research has shown that double-bounded DC questions provide statistically superior results to single-bounded questions, given an appropriate sampling design. This paper uses a relatively new multilevel modelling technique to analyze a triple-bounded DC design, which in addition includes an initial non-monetary question on whether an individual accepts, in principle, a WTP some unspecified amount. The theoretical basis of the multilevel model used is described, and some of the possibilities of this potentially powerful and versatile technique are discussed. The practical operation of the multilevel model is demonstrated using data from a contingent valuation study conducted in the Norfolk Broads, England, an internationally important wetland resource. 相似文献
302.
In the SEER database, it is relatively easy to identify secondary cancers that follow an initial diagnosis of cancer. However, the SEER public-use data does not explicitly capture relapse of the initial cancer. One can assume that organ-confined prostate cancer treated by radical prostatectomy will show no evidence of disease after treatment. Death due to prostate cancer in such cases can be assumed to follow a relapse of previously occult metastatic disease. We devised an estimate of the timing of these relapses and tabulated rates for both new primaries and relapses following radical prostatectomy for organ-confined prostate cancer. 相似文献
303.
Actuarial life-table analysis has long been used by life insurance medical directors for mortality abstraction from clinical studies. Ironically, today's life actuary instead uses pivot tables to analyze mortality. Pivot tables (a feature/function in MS Excel) collapse various dimensions of data that were previously arranged in an "experience study" format. Summary statistics such as actual deaths, actual and expected mortality (usually measured in dollars), and calculated results such as actual to expected ratios, are then displayed in a 2-dimensional grid. The same analytic process, excluding the dollar focus, can be used for clinical mortality studies. For raw survival data, especially large datasets, this combination of experience study data and pivot tables has clear advantages over life-table analysis in both accuracy and flexibility. Using the SEER breast cancer data, we compare the results of life-table analysis and pivot-table analysis. 相似文献
304.
We test the relationship between the current account and fiscal policy for a group of small open developing economies with fixed exchange rates some of which are oil exporters. Specifically, we test the viewpoint of a Ricardian infinite-horizon representative agent model in which lower public savings are met by equal increases in private savings, and as a result the current account does not respond to the changes in government spending, against a Keynesian’s conventional viewpoint in which a fall in public savings has an adverse effect on the current account balance. Unlike the evidence from flexible exchange rate economies provided by many authors such as Rosensweig and Tallman (Econ Inq 31(4):580–594, 1993), Erceg et al. (Int Finance 8(3):363–397, 2005) and Saleh et al. (South Asia Econ J 6(2):221–239, 2005), the evidence from a panel data analysis and Granger-causality test of these fixed exchange-based countries supports the conventional theory of positive relationship between fiscal and external balances, with causality running from the former to the latter, in oil countries, whereas it supports the Ricardian view for non-oil countries. 相似文献
305.
Simon Joyce Charles Umney Xanthe Whittaker Mark Stuart 《New Technology, Work and Employment》2023,38(2):145-161
This introduction sets out the context for the Special Issue and offers an in-depth reflection on key themes addressed by our contributors. The Special Issue aims to place the social relations of production at the centre of debates about technology and the future of work, and create space for greater critical reflection on what it means to go ‘beyond technological determinism’. We identify ways in which aspects of technological determinism continue to influence debates on technology, the labour process and industrial relations, despite efforts to reject it. We argue that this influence is manifested in some persistent problems within the literature including overly rigid periodisations (such as ‘platform capitalism’), a narrow conceptual repertoire (which reifies notions like ‘algorithmic control’) and a constricted empirical focus. We elucidate the value of a social shaping of technology (SST) approach to overcome these challenges and provide a brief overview of the articles contained within the issue. 相似文献