← Search Econometrica Vol. 25 No. 4 1957 Trends and Cycles in Economic Activity: An Introduction to Problems of Economic Growth Lester G. Telser; William Fellner DOI10.2307/1905391 Volume25 Issue4 Pages615 Sources semanticscholar openalex crossref Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓