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21.
Public Pension Benefits Claiming Behaviour: new Evidence from the Japanese Study on Ageing and Retirement 下载免费PDF全文
The present study explores public pension claiming behaviour among the Japanese elderly. First, we perform financial simulations, estimate expected utility and depict the typical patterns of pension benefits over a lifecycle. We show that a beneficiary's optimal retirement age depends on that beneficiary's mortality risk, discount rate, initial wealth and risk attitude. Second, we use individual‐level data from the Japanese Study on Aging and Retirement (JSTAR) to empirically examine the determinants of claim timing. We find evidence that most of the factors examined in the simulation are, indeed, significantly associated with early claiming among wage earners of pension benefits. 相似文献
22.
This study attempts to identify the major factors affecting farm and nonfarm income by using panel data of 894 rural households, interviewed in 2003 and 2005 in rural Uganda. We supplement the panel data with household-level soil fertility data and road distance data to the nearest urban center on three road types: tarmac, loose-surface, and dirt roads. The results suggest that soil fertility, measured by the soil organic matter (SOM) content, is positively associated with crop income but not with livestock and nonfarm income. We also find that the total road distance to the nearest urban center and the road quality have strong negative associations with the crop income. 相似文献
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Shigeki Sakakibara Takashi Yamasaki Katsuhiko Okada 《International Review of Finance》2013,13(2):161-185
We report on a seasonal pattern that has persisted in the Japanese stock market for more than half a century: Mean stock returns are significantly positive for months during the first half of the calendar year and significantly negative for months during the second half. Dubbed the Dekansho‐bushi effect, this seasonality is independent of other known calendar anomalies, such as the so‐called January effect. The Dekansho‐bushi effect should be distinguished from the ‘sell in May effect,’ because Japanese stocks perform well in June and poorly in November and December. The Dekansho‐bushi effect varies in magnitude among firms and is particularly significant among small firms with high book‐to‐market ratios. Nonetheless, the effect exists, regardless of a company's size or book‐to‐market ratio. 相似文献
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The core and competitive equilibria of a large exchange economy on the commodity space ?∞ will be discussed. We define the economy as a measure on the space of consumers’ characteristics following Hart and Kohlberg (1974), and prove the existence of competitive equilibria and their equivalence with the core without assuming the convexity of preferences. 相似文献
28.
Takashi KUROSAKI Seiro ITO Nobuhiko FUWA Kensuke KUBO Yasuyuki SAWADA 《The Developing economies》2006,44(4):440-464
This paper empirically analyzes the determinants of child labor and school enrollment in rural Andhra Pradesh, India. A village fixed‐effect logit model for each child is estimated with the incidence of child labor or school enrollment as the dependent variable, in order to investigate individual and household characteristics associated with the incidence. Among the determinants, this paper focuses on whose education matters most in deciding the status of each child, an issue not previously investigated in the context of the joint family system. The regression results show that the education of the child's mother is more important in reducing child labor and in increasing school enrollment than that of the child's father, the household head, or the spouse of the head. The effect of the child's mother is similar on boys and girls while that of the child's father is more favorable on boys. 相似文献
29.
Takashi Kamihigashi 《Economic Theory》2000,15(3):585-598
Summary. We study a simple infinite horizon model with indivisible labor. We characterize the optimal plans under the assumptions
that and that , where R is the gross interest rate and is the discount factor. We show that under those assumptions, optimal plans are almost always asymptotically nonperiodic
unless initial wealth is excessively small or large.
Received: May 25, 1999; revised version: June 24, 1999 相似文献
30.
Hiroshi Honda M.D. Hideo Onitsuka Eisuke Adachi Kouichirou Ochiai Masaki Gibo Koutarou Yasumori Takashi Matsumata Keizou Sugimachi Kouji Masuda 《Empirical Economics》1993,18(3):247-252
The capabilities of computed tomography (CT), ultrasonography (US), and magnetic resonance (MR) imaging were studied in order to determine the role of each of these noninvasive examinations for estimating the T-factor of hepatocellular carcinomas (HCCs). Fifty-one patients with surgically proven HCCs received CT (50 patients), US (46 patients), and MR (44 patients). The images of CT, US, and MR were prospectively evaluated for main tumor size, intrahepatic metastases, and vascular invasion, which compose the T-factor of HCC, and compared to pathological results. The sizes of the main tumor were estimated correctly by all examinations. For estimating intrahepatic metastases, US (74%) and MR (73%) were superior to CT (65%). For estimating portal invasion, CT (79%) was superior to US (70%) and MR (66%), because CT could demonstrate the segmental staining caused by portal invasion. The estimates of hepatic venous invasion were difficult during any of the examinations. We conclude that presurgical evaluations of the T-factor require the use of US and CT or MR and CT. 相似文献