Media type: E-Article Title: Estimating Demand for Differentiated Products with Zeroes in Market Share Data Contributor: Lu, Zhentong; Shi, Xiaoxia; Gandhi, Amit imprint: Elsevier BV, 2019 Published in: SSRN Electronic Journal Language: English DOI: 10.2139/ssrn.3503565 ISSN: 1556-5068 Keywords: Pharmacology (medical) Origination: Footnote: