Evaluating Concavity for Production and Cost Functions
نویسندگان
چکیده
منابع مشابه
Matroid rank functions and discrete concavity
We discuss the relationship between matroid rank functions and a concept of discrete concavity called M-concavity. It is known that a matroid rank function and its weighted version called a weighted rank function are M-concave functions, while the (weighted) sum of matroid rank functions is not M-concave in general. We present a sufficient condition for a weighted sum of matroid rank functions ...
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ژورنال
عنوان ژورنال: The Stata Journal: Promoting communications on statistics and Stata
سال: 2009
ISSN: 1536-867X,1536-8734
DOI: 10.1177/1536867x0900900109