全文获取类型
收费全文 | 16728篇 |
免费 | 344篇 |
国内免费 | 1篇 |
专业分类
财政金融 | 3525篇 |
工业经济 | 1209篇 |
计划管理 | 2835篇 |
经济学 | 3746篇 |
综合类 | 204篇 |
运输经济 | 75篇 |
旅游经济 | 267篇 |
贸易经济 | 2549篇 |
农业经济 | 818篇 |
经济概况 | 1768篇 |
邮电经济 | 77篇 |
出版年
2020年 | 193篇 |
2019年 | 265篇 |
2018年 | 279篇 |
2017年 | 348篇 |
2016年 | 306篇 |
2015年 | 212篇 |
2014年 | 333篇 |
2013年 | 1550篇 |
2012年 | 408篇 |
2011年 | 455篇 |
2010年 | 386篇 |
2009年 | 451篇 |
2008年 | 398篇 |
2007年 | 401篇 |
2006年 | 369篇 |
2005年 | 337篇 |
2004年 | 302篇 |
2003年 | 348篇 |
2002年 | 318篇 |
2001年 | 322篇 |
2000年 | 362篇 |
1999年 | 302篇 |
1998年 | 312篇 |
1997年 | 319篇 |
1996年 | 308篇 |
1995年 | 302篇 |
1994年 | 312篇 |
1993年 | 299篇 |
1992年 | 330篇 |
1991年 | 347篇 |
1990年 | 277篇 |
1989年 | 224篇 |
1988年 | 242篇 |
1987年 | 224篇 |
1986年 | 252篇 |
1985年 | 358篇 |
1984年 | 345篇 |
1983年 | 297篇 |
1982年 | 314篇 |
1981年 | 333篇 |
1980年 | 288篇 |
1979年 | 282篇 |
1978年 | 257篇 |
1977年 | 189篇 |
1976年 | 187篇 |
1975年 | 195篇 |
1974年 | 143篇 |
1973年 | 166篇 |
1972年 | 121篇 |
1971年 | 107篇 |
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
111.
Guy R. Banville Ph.D. Barbara Pletcher D.B.A. 《Journal of the Academy of Marketing Science》1974,2(3):432-446
Historically, major consideration given to product management has focused on research and development or the introductory
stage of the product life cycle. The authors present an empirical study delineating the variables to be considered in the
product elimination process. More specifically, the elimination process is evaluated under a situation of poor product performance
despite a generally viable market. The basic objectives of the study were: to determine the significant variables in the product
elimination process of the Small Appliance Industry; to determine the relative importance of the variables; to examine the
interaction among variables. The data obtained through personal structured questionnaire interviews were analyzed and provided
a ranking of twenty-six variables relevant to the elimination process. Moreover, the Johnson's Hierarchical Clustering Schemes
was applied to determine the interaction among variables. The results indicate that profitability and financial variables
are most significant in the elimination decision-process. Second, the primary clusters of importance are concerned with market
share, market growth rate, consumer awareness, and competitive action. 相似文献
112.
The Hannah-Kay [1977] generalized concentration index contains the well-known Herfindahl [1950]-Hirschman [1945] and the entropy indices as particular cases. In this papaer we show that the Hannah-Kay class can be regarded as a particular member of a generalized family of indices, which we refer to as self-weighted quasilinear means. We then show that among all self-weighted quasilinear means the Hannah-Kay family is the only class of concentration indices which satisfies the replication principle, a requirement which states that an m-fold replication of the industry, firm by firm, will multiply the concentration index by the factor 1/m.The refereeing process of this paper was handled through N.R. Adam.We are grateful to two anonymous referees for their suggestions. 相似文献
113.
Swanson RG 《Fund raising management》2001,32(3):41-42
After making a solicitation, a lot can be gained by listening to a donor's questions. Do not simply answer the question. Consider why they asked it in the first place. 相似文献
114.
EXPLAINING DECISION PROCESSES 总被引:2,自引:0,他引:2
David Cray Geoffrey R. Mallory Richard J. Butler David J. Hickson David C. Wilson 《Journal of Management Studies》1991,28(3):227-252
115.
Previous studies of human service facility spillovers on residential property values have been inconclusive, and have failed to take into account the effects of racial segmentation of housing markets. Likewise, studies of racial discrimination in urban housing markets and price differentials between white and nonwhite areas of the city have failed to consider the impacts of service facilities on prices. This study develops an hedonic price model of housing services in a racially segmented housing market, which considers a variety of human service facilities and their spillover effects. Model results for Oakland, California in 1976 indicate that facilities significantly affect housing prices both positively and negatively, and that these effects vary by racial submarket. Implications of these findings for the interpretation of past discrimination studies, facility impact studies, and social policy are considered. 相似文献
116.
The effects of group problem-solving method and problem-situation complexity on attempts at implementing group solutions were investigated in a laboratory-field setting. Group members were supervisory nurses from various organizations, who were randomly assigned to three groups in a balanced research design which included three group decision-making processes and three levels of problem-situation complexity in implementation. The dependent variable was the number of attempts at implementing group-derived solutions in home organizations. The results showed that structure in group decision-making processes led to increased rates of implementation attempts at all levels of problem-situation complexity. There was a significant complexity-by-process interaction effect among the decision-making processes, which supports the conclusion that the type of group decision-making process and the problem-situation complexity should be considered in order to optimize the number of implementation attempts.g 相似文献
117.
Akin J Guilkey D Popkin B Flieger W Briscoe J Black RE Adair LS 《Journal of development economics》1992,38(2):323-351
Collaborating researchers used a multi equation model to analyze 3080 mother-infant pairs living on the island of Cebu in the central Philippines and to estimate a child health production function. The econometric methods used eliminated obstacles such as heterogeneity and endogeneity of significant explanatory factors. They also maximized the longitudinal quality of the data. The results showed that morbidity in 1 period reduced infant weight in following periods. For example, diarrhea and febrile respiratory infection reduced growth in the time period following the illnesses. Further effects of some contributing factors were great near birth not diminished with age. For example, breast feeding promoted growth and protected against infection, especially diarrhea and febrile respiratory infection, more substantially near birth than it did later. Further, in urban areas, preventive health care positively affected growth independently of its indirect influence on reducing respiratory infection. Yet it had little effect on diarrhea. Diarrhea had a strong adverse effect on growth. Exposure of the infant to enteric pathogens had the greatest influence on production of diarrhea. In urban areas, exposure included water supply contamination, exposure to feces, a more pathogenic diet, and community crowding. In rural areas, however, exposure included community crowding and increased rainfall which presumably washed feces into the water supply. Household crowding in both urban and rural areas and irritation from smoke in urban areas only tended to bring about febrile respiratory infection. 相似文献
118.
119.
120.