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51.
We present a new approach to trend/cycle decomposition of time series that follow regime-switching processes. The proposed approach, which we label the “regime-dependent steady-state” (RDSS) decomposition, is motivated as the appropriate generalization of the Beveridge and Nelson decomposition [Beveridge, S., Nelson, C.R., 1981. A new approach to decomposition of economic time series into permanent and transitory components with particular attention to measurement of the business cycle. Journal of Monetary Economics 7, 151–174] to the setting where the reduced-form dynamics of a given series can be captured by a regime-switching forecasting model. For processes in which the underlying trend component follows a random walk with possibly regime-switching drift, the RDSS decomposition is optimal in a minimum mean-squared-error sense and is more broadly applicable than directly employing an Unobserved Components model. 相似文献
52.
The price elasticity of raw milk supply in Japan is estimated over time by a structural time-series model in state space form, and the changes in elasticity are tested by the diagnosing test of de John and Penzer in 1998. The supply function is modeled with a local linear trend and a strictly exogenous autoregressive distributed lag price. The seasonality in the data is adjusted by a structural time-series model. In the 1970–1997 period, there were major dairy policy changes in Japan: a production adjustment, related penalties, and two-tier pricing. Hokkaido is the region that mainly provides the supply of raw milk for milk products, while Tofuken is the region that mainly produces drinking milk. The estimated price elasticity in Hokkaido became stable after imposition of the production adjustment. On the other hand, price elasticity in Tofuken became stable after the inflation of the mid-1970s. Price elasticity is estimated to be more inelastic as well as more likely to converge in inelasticity in Hokkaido than in Tofuken. We discuss the relationship between changes in dairy policy and changes in price elasticity. 相似文献
53.
Prior competitive dynamics research has drawn on theories of information processing to model the subjective antecedents of executives' retaliation choices. This prior work has made great progress in developing our understanding of the retaliation choices most firms will make to a given type of attack. What the information processing perspective has not been able to do is explain firm‐specific behavior to predict which competitive moves individual firms will challenge, or explain why individual firms differ in the types of actions that they are most likely to challenge. The goal of this paper is to sharpen the theoretical and empirical focus on predicting firm‐level retaliation proclivities. We leverage managerial cognition research to examine the relationship between firm‐level differences in the cognitive frameworks that executives possess, and firm‐level differences in whether and how quickly firms challenge a market move. Results from a longitudinal study of the airline industry suggest that the addition of a cognitive perspective provides important insights into competitive retaliation. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
54.
Jeremy Waddington 《Industrial Relations Journal》2011,42(6):508-529
Drawing on survey evidence, this paper explores the quality of information and consultation at European works councils and developments in the support infrastructure available to representatives. The paper highlights that European works councils are an institution in process. As such, wide‐ranging developments have been implemented to improve their performance, but many of these will have to be extended in coverage if European work councils are to be exploited to better effect by labour. 相似文献
55.
Jeremy Galbreath 《Journal of Business Ethics》2011,104(3):421-432
Most studies on climate change response have examined reductions in greenhouse gas (GHG) emissions. Yet these studies do not
take into account ecosystem services constraints and biophysical disruptions wrought by climate change that may require broader
types of response. By studying a firm in the wine industry and using a research approach not constrained by structured methodologies
or biased toward GHG emissions, the findings suggest that both “inside out” and “outside in” actions are taken in response
to climate change. While attempts are made by the firm to curtail and reverse climate change through management of carbon
emissions, evidence suggests a clear pattern of actions designed to adjust to the adverse consequences of climate change as
well. The results both confirm and extend previous findings and suggest that the level and breadth of response to climate
change is shaped by situated attention, structural controls, and industry type. 相似文献
56.
Managing risk has been widely acknowledged as a crucial managerial task in the development of new technology. More recently, the acceptance of new technologies has increasingly been influenced by secondary stakeholders, some of which are difficult to identify, or whose concerns are not easily reconciled. This paper develops a conceptual framework based on the management of technology and research & development literature, stakeholder theory, risk and social judgment to describe how traditional approaches based on reducing uncertainties through estimating probabilities may not work for social uncertainties; different heuristics are needed to understand and resolve such heterogeneous stakeholder perspectives. We contribute to the discourse by describing how risk perceptions among stakeholders vary, and how this may change over time. The framework suggests that the perception of primary stakeholder towards a specific innovation is ‘Standard’ when information is well known, but becomes riskier when information is unclear. For secondary stakeholders, when there is a low degree of imperfect information, the stakeholder relationship is an ‘Irritant’ but becomes increasingly ‘Dangerous’ when information becomes ambiguous. We conclude with implications for management and future research. 相似文献
57.
58.
This paper provides an account of the origins and formation of the UK Research Councils’ Rural Economy and Land Use (RELU) programme and its approach to promoting interdisciplinary working between social and natural scientists. The programme is set in the context of broader developments in science policy, including a policy discourse centred upon sustainable development and the knowledge economy and associated demands for greater accountability in science. Interdisciplinarity promises research that will be more relevant and responsive to public needs and concerns. In describing the provenance of the RELU programme, therefore, the paper seeks to lay out the different stages in its initiation and design to show how, to varying degrees, these were open to external scrutiny and influence. The process of developing the programme illustrates that it is not straightforward to make research agendas and funding more transparent and accountable. It also provides insights into the challenges that interdisciplinarity and accountability present to established science institutions. 相似文献
59.
Jeremy Wakeford 《Development Southern Africa》2004,21(1):109-132
This article investigates the relationship between labour productivity, average real wages and the unemployment rate in South Africa at the macroeconomic level, using time‐series econometric techniques. There is strong evidence of a structural break in 1990, after which time all three variables rose rapidly. The break appears to have negatively affected the level of employment in the first instance, and subsequently fed through into per worker wages and productivity. A long‐term equilibrium (cointegrating) relationship was found between real wages and productivity, but unemployment was apparently unconnected to the system, which lends support to the insider–outsider theory. A long‐term wage–productivity elasticity of 0,58 indicates that productivity has grown more rapidly than wages, which is consistent with the finding that labour's share of gross output has been shrinking over the past decade. These trends may be explained plausibly by the adoption of job‐shedding technology and capital intensification. 相似文献
60.