Making Digital Freemium Business Models a Success: Predicting Customers’ Lifetime Value via Initial Purchase Information

A Heteroskedasticity-Consistent Covariance Matrix Estimator and a Direct Test for Heteroskedasticity

Halbert White · Econometrica · 1980 · 26.1K citations

Social Sciences, Economics, Econometrics +11

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David J. Teece · Long Range Planning · 2009 · 8.1K citations

Business, Innovation Management, Strategic Management +14

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Business, Entrepreneurship, Strategic Management +17

The behavior of maximum likelihood estimates under nonstandard conditions

Peter J. Huber · Project Euclid (Cornell University) · 1967 · 4.8K citations

Natural Sciences, Biostatistics, Probability Theory +11

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Joseph Farrell, Garth Saloner · The RAND Journal of Economics · 1985 · 2.6K citations

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