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61.
In this paper, we explore convergence of real per capita output across the European Union (EU) countries, as well as the transitional
behavior of possible underlying factors that are responsible for any convergence or divergence pattern. The new panel convergence
methodology developed by Phillips and Sul (2007) is employed in a production function growth accounting approach and data from the Total Economy Database and the Total Economy Growth Accounting Database. The empirical findings suggest that the EU countries form two distinct convergent clubs, exhibiting considerable heterogeneity
in the underlying growth factors. These findings should help policy makers in designing appropriate growth-oriented programs
as well as in setting priorities in their implementation. 相似文献
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63.
The traditional rationale for differencing time series data is to attain stationarity. For a nearly non-stationary first-order autoregressive process—AR (1) with positive slope parameter near unity—we were led to a complementary rationale. If one suspects near non-stationarity of the AR (1) process, if the sample size is ‘small’ or ‘moderate’, and if good one-step-ahead prediction performance is the goal, then it is wise to difference the data and treat the differences as observations on a stationary AR (1) process. Estimation by Ordinary Least Squares then appears to be at least as satisfactory as nonlinear least squares. Use of differencing for an already stationary process can be motivated by Bayesian concepts: differencing can be viewed as an easy way to incorporate non-diffuse prior judgement—that the process is nearly non-stationary—into one's analysis. Random walks and near random walks are often encountered in economics. Unless one's sample size is large, the same statistical analyses apply to either. 相似文献
64.
Nicholas C. Sarantis 《Journal of Macroeconomics》1981,3(3):335-354
The purpose of this paper is to provide estimates of a disequilibrium labor market model which has been fitted to the US private non-farm sector and to the manufacturing sector. After examining the rationale of the ‘minimum’-type disequilibrium model, we reject it in favor of a formulation suggested by Chow. The latter provides not only a wage adjustment mechanism, but also a quantity adjustment mechanism and treats wages and quantities symmetrically. The empirical findings for both sectors support the disequilibrium formulation employed and reject the equilibrium hypothesis for the labor market. 相似文献
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Food price volatility and high transactions costs remain major problems in African food markets. These persistent problems provide a strong theoretical justification for the development of commodity exchanges. However, the majority of African commodity exchanges remain underdeveloped. Through a case study of the Zambian Agricultural Commodity Exchange (ZAMACE), this article explores why agricultural commodity exchanges in the region have thus far failed to develop into sustainable trading platforms and identifies the most important changes needed to enhance their performance. 相似文献
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70.
Bernard Grofman Michael Migalski Nicholas Noviello 《The Review of Black Political Economy》1986,14(4):65-78
We look at the most general feature of multimember districts (MMDs) as compared to single-member districting (SMD) plans:
the higher likelihood of submergence of minority voting strength. We focus on data on black legislative representation between
1977 and 1982 in the 11 states with more than 15% black populations, and compare states which use MMDs with those that use
SMDs. We also examine changes in black representation in states which shifted from MMDs to SMDs. In addition, for MMD state
legislative elections in eight North Carolina counties between 1978 and 1982, we examine in detail the nature of minority
submergence including the lack of geographic representativity of the persons elected from MMDs. The counties we examine contain
four of North Carolina’s largest cities and a substantial portion of North Carolina’s black population. Unlike almost all
of the previously published literature on racial representation in MMDs, our study deals with state legislative races and
not local elections. 相似文献