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The size of the Pareto set in the issue space of spatialvoting models is a function of the tax prices that voters arecharged. When all voters pay Lindahl prices for all goods, thePareto set collapses to a single point. The Pareto set can beenlarged by altering tax shares so they are further fromLindahl prices, and can be reduced by moving toward Lindahlpricing. A smaller Pareto set moves voters closer to consensuson issues, so reduces political decisionmaking costs and makesthe political system more stable. 相似文献
4.
Randall G. Shelden 《政策研究评论》2004,21(1):5-12
This article provides an overview of recent trends in imprisonment rates in America and introduces the articles in this issue of The Review of Policy Research. Incarceration rates have increased by more than 500 percent since the early 1970s and have now reached a rate of almost 700, higher than anywhere else in the world. The impact has been particularly hard on racial minorities, especially women (whose incarceration rate went from around 8 in 1975 to 59 in 2001). The “war on drugs” has been one of the main reasons behind the increases in imprisonment, along with the more general “get tough on crime” movement that began in the late 1970s. The articles in this issue center around how this recent trend in incarceration impacts the entire society, but especially poor communities. Several of the articles focus on race, age and gender as important variables, in addition to the tendency of the parole system to sort of “recycle” released prisoners back into the prison system. 相似文献
5.
The International Monetary Fund: A review of the recent evidence 总被引:1,自引:1,他引:0
A review of recent quantitative studies on the International Monetary Fund reveals that much of the conventional wisdom is
incorrect. Recent studies have demonstrated a new degree of methodological rigor, have drawn more heavily upon insights from
political science, and have asked a number of new questions. We review studies of participation in IMF programs, design of
IMF conditionality, implementation and enforcement of IMF conditions, conventional program effects and catalytic effects.
At every stage, we find substantial evidence of the influence of major IMF shareholders, of the Fund’s own organizational
imperatives, and of domestic politics within borrowing countries. We conclude that very little is known with certainty about
the effects of IMF lending, but that a great deal has been learned about the mechanics of IMF programs that will have to be
taken into account in order to obtain unbiased estimates of those effects.
相似文献
Randall W. StoneEmail: |
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Randall E. Newnham 《国际研究季刊》2000,44(1):73-96
The existing literature on economic sanctions has rarely addressed the key question of comparing the effectiveness of positive and negative sanctions. It is the contention of this study that positive sanctions can potentially be more effective, even in cases where contentious "high politics" issues are being negotiated, relations between the states concerned are tense and militarized, and the state being targeted with sanctions has substantial military power. This assertion will be tested in a set of case studies drawn from German-Polish and German-Russian/Soviet relations from the nineteenth century to the present. It will be shown that positive sanctions can be used effectively, both as "specific" sanctions to influence a target state on one particular issue, and as "general" sanctions, which aim to change the state's behavior as a whole in a more slow and subtle process. 相似文献
7.
The current cross-sectional study investigated the links between various dimensions of organized activity involvement and
depressive symptoms, loneliness, and peer victimization in an ethnically and economically diverse sample of adolescents (N = 152; 58% female). Results indicate that adolescents who were involved in organized activities for more years also reported
lower levels of loneliness. There was evidence of diminishing returns when adolescents were very highly involved in organized
activities; those who were either under- or over-involved reported the highest levels of depressive symptoms. Conversely,
findings indicate that adolescents who participated in a narrow or wide range of activity contexts reported the lowest levels
of depressive symptoms. In addition, results suggested that the relation between organized activity involvement and adjustment
differs among adolescents from diverse ethnic and socioeconomic backgrounds. Findings from the current study also underscore
the importance of considering multiple indices of activity involvement when assessing its association with adjustment.
相似文献
Edin T. RandallEmail: |
8.
This study examined the mediated and moderated effects of a universal family-focused preventive intervention, delivered during young adolescence, on internalizing symptoms assessed in young adulthood. Sixth grade students (N=446; 52% female; 98% White) and their families from 22 rural Midwestern school districts were randomly assigned to the experimental conditions in 1993. Self-report questionnaires were administered at seven time points (pre-test to young adulthood-age 21) to those receiving the Iowa Strengthening Families Program (ISFP) and to the control group. Results showed that growth factors of adolescent internalizing symptoms (grades 6-12) were predicted by ISFP condition and risk status (defined as early substance initiation). Moderation of the condition effect by risk status was found, with higher-risk adolescents benefitting more from the ISFP. Results also supported the hypothesis that the ISFP's effect on internalizing symptoms in young adulthood was mediated through growth factors of adolescents' internalizing symptoms; risk moderation, however, was only marginally significant in young adulthood. The relative reduction rate on clinical or subclinical levels of young adult internalizing symptoms was 28%, indicating that for every 100 young adults displaying clinical or subclinical levels of internalizing symptoms from school districts not offering an intervention, there could be as few as 72 displaying those levels of symptoms in school districts that offered middle school prevention programming. These findings highlight how the positive effects of family-focused universal interventions can extend to non-targeted outcomes and the related potential public-health impact of scaling up these interventions. 相似文献
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Randall Crane 《Public Choice》1996,86(3-4):209-222
How is charitable giving within a city influenced by the prospect of donor and recipient migration? The theoretical literature on charitable contributions in a closed economy has mainly argued that the market level of private giving will tend to be lower than optimal, wherever there exists a local fiscal externality between donors and recipients. Interjurisdictional models of voluntary redistribution, on the other hand, abstract from altruism to explore the interjurisdictional fiscal externality resulting from the failure of one community to account for the migration impacts of its actions on other communities. This paper integrates and extends both literatures by allowing for local altruism among the mobile residents of a system of local economies. Within a single community, mobility thus introduces adverse selection considerations for each donor via the migration of both recipients and other donors. Moreover, any change in the local transfer level influences both equilibrium wages and donor behavior system-wide. The analysis demonstrates that the market level of local charitable giving will be lower than is either ‘locally’ or ‘globally’ optimal in some cases and plausibly higher than optimal in others, depending on the effect of migration and expectations on wages. The self-selection nature of donor decision making does eliminate the usual interjurisdictional fiscal externality, though it leaves a role for government intervention via subsidies to altruistic behavior. 相似文献