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81.
ØIVIND A. NILSEN ARVID RAKNERUD MARINA RYBALKA TERJE SKJERPEN 《Review of Income and Wealth》2011,57(2):293-305
In a growth accounting context one usually constructs a quality adjusted index of labor services by aggregating over predefined groups of workers, using the groups' relative wage bills as weights. In this article we suggest a method based on decomposing individual predicted wages into a skill‐related part and a part unrelated to skill, where the former consists of both observed and unobserved components. The predicted wages, associated with individual skill attributes, are sorted and classified into deciles. The median predicted skill‐related wage in each decile is used to construct an alternative skill‐adjusted index of labor services. We find that total factor productivity (TFP) growth decreases significantly when using the latter method. This means that when using the alternative method one explains more of the growth in labor productivity than what a more traditional labor quality adjustment procedure does. 相似文献
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Using a novel data set covering all individual investors' stock market transactions in Norway over 10 years, we analyze whether individual investors have a preference for professionally close stocks, and whether they make excess returns on such investments. After excluding own‐company stock holdings, investors hold 11% of their portfolio in stocks within their two‐digit industry of employment. Given the poor hedging properties of such investments, one would expect abnormally high returns. In contrast, all estimates of abnormal returns are negative, in many cases statistically significant. Overconfidence seems the most likely explanation for the excessive trading in professionally close stocks. 相似文献
85.
Strategy Tradeoffs in the Knowledge and Network Economy 总被引:2,自引:0,他引:2
In traditional "value chain" firms, the main activity tradeoff is between differentiation and low cost. Increasingly, however, firms are creating customer value through networks (eg AOL) or by providing knowledge-based solutions for customers (eg venture capital firm Kleiner Perkins). This article discusses the quite different activity tradeoffs faced by these "value networks" and "value shops". It then explores the tradeoff between exploitation (focusing on short-term performance) and exploration (focusing on transcending short-term activity tradeoffs). Finally, in reviewing the implications for managers, it discusses the problem of trying to manage different types of business (value chains, networks and shops) within the same corporation. 相似文献
86.
Maggie E. C. Jones Morten Ørregaard Nielsen Michał Ksawery Popiel 《The Canadian journal of economics》2014,47(4):1078-1130
We use a fractionally cointegrated vector autoregressive model to examine the relationship between Canadian political support and macroeconomic conditions. This model is well suited for the analysis because it allows multiple fractional time series and admits simple asymptotic inference for the model parameters and tests of the hypotheses of interest. In the long‐run equilibrium, we find that support for the Progressive Conservative Party was higher during periods of high interest rates and low unemployment, while support for the Liberal Party was higher during periods of low interest rates and high unemployment. We also test and reject the notion that party support is driven only by relative (to the United States) economic performance. Indeed, our findings suggest that US macroeconomic variables do not enter the long‐run equilibrium of Canadian economic voting (political opinion poll support) at all. 相似文献
87.
Kjetil?Andersson Kenneth?Fjell ?ystein?ForosEmail author 《Review of Industrial Organization》2004,25(3):295-316
We consider two different qualities of broadband access, one that simply means greater access speed to Internet applications and content, and a premium version that also gives access to interactive TV services. Based on a market survey we find that potential consumers of this premium broadband access do not consider basic broadband Internet access as a substitute. The price of basic broadband does not constrain the price that may be charged for the premium broadband that allows for interactive TV services. 相似文献
88.
John K. Dagsvik TorbjØrn HÆgeland Arvid Raknerud 《Journal of Applied Econometrics》2011,26(4):613-640
In this paper we develop likelihood‐based methods for statistical inference in a joint system of equations for the choice of length of schooling and earnings. The model for schooling choice is assumed to be an ordered probit model, whereas the earnings equation contains variables that are flexible transformations of schooling and experience, with corresponding coefficients that are allowed to be heterogeneous across individuals. Under the assumption that the distribution of the random terms of the model can be expressed as a finite mixture of multinormal distributions, we show that the joint probability distribution for schooling and earnings can be expressed on closed form. In an application of our method on Norwegian data, we find that the mixed Gaussian model offers a substantial improvement in fit to the (heavy‐tailed) empirical distribution of log‐earnings compared to a multinormal benchmark model. Copyright © 2010 John Wiley & Sons, Ltd. 相似文献
89.
Øystein Thøgersen 《Applied economics》2013,45(12):1531-1540
Population ageing implies that the large pay-as-you-go social security programmes implemented in many OECD economies will run into severe financial problems. By means of a numerical overlapping generations model, this paper investigates the intergenerational welfare effects of a transition to funded security programmes. Such programmes imply permanent increases in the welfare of the young and unborn generations. It is demonstrated that the size of the welfare gains varies significantly between alternative funding strategies. A nonindividualized funding strategy characterized by increased government asset accumulation triggers considerable welfare gains through increased asset returns in the future. Even larger welfare gains may be realized by an individual funding strategy characterized by increased asset accumulation accompanied by an adoption of actuarial supplementary pensions (i.e. actuarial supplementary pensions combined with a fixed minimum pension) which reduces future tax distortions drastically. 相似文献
90.
Øivind Anti Nilsen Kjell Vaage Arild Aakvik Karl Jacobsen 《The Scandinavian journal of economics》2012,114(1):1-23
Using Norwegian intergenerational data, which include a substantial part of the life‐cycle earnings for children and almost the entire life‐cycle earnings for their fathers, we present new estimates of intergenerational mobility. Extending the length of fathers’ earnings window from 5 to 25 years increases estimated elasticities. Increasing the age at which fathers’ earnings are observed has the opposite effect. Biases in the estimated elasticities are related to both transitory earnings variation and life‐cycle measurement error; the former appear to be more important than the latter. Estimation bias stemming from persistence in transitory innovations plays only a minor role. Our findings indicate that intergenerational earnings mobility in Norway might have been strongly overstated in many earlier studies with shorter earnings histories. Some of our new estimates are twice as large as earlier estimates. 相似文献