Handling endogenous regressors by joint estimation using copulas
We propose a new statistical instrument-free method to tackle the endogeneity problem. The
proposed method models the joint distribution of the endogenous regressor and the error …
proposed method models the joint distribution of the endogenous regressor and the error …
Estimation of consumer demand with stock-out based substitution: An application to vending machine products
The occurrence of temporary stock-outs at retail is common in frequently purchased product
categories. Available empirical evidence suggests that when faced with stock-outs, …
categories. Available empirical evidence suggests that when faced with stock-outs, …
Modeling the evolution of markets with indirect network externalities: An application to digital television
S Gupta, DC Jain, MS Sawhney - Marketing Science, 1999 - pubsonline.informs.org
The usefulness of a technology product for an end-user often depends on the availability of
complementary software products and services. Computers require software, cameras …
complementary software products and services. Computers require software, cameras …
Is 75% of the sales promotion bump due to brand switching? No, only 33% is
HJ Van Heerde, S Gupta, DR Wittink - 2003 - journals.sagepub.com
Several researchers have decomposed sales promotion elasticities based on household
scanner-panel data. A key result is that the majority of the sales promotion elasticity, …
scanner-panel data. A key result is that the majority of the sales promotion elasticity, …
Noncoding effects of circular RNA CCDC66 promote colon cancer growth and metastasis
Circular RNA (circRNA) is a class of noncoding RNA whose functions remain mostly unknown.
Recent studies indicate circRNA may be involved in disease pathogenesis, but direct …
Recent studies indicate circRNA may be involved in disease pathogenesis, but direct …
On using demographic variables to determine segment membership in logit mixture models
S Gupta, PK Chintagunta - Journal of Marketing Research, 1994 - journals.sagepub.com
The authors propose an extension of the logit-mixture model that defines prior segment
membership probabilities as functions of concomitant (demographic) variables. Using this …
membership probabilities as functions of concomitant (demographic) variables. Using this …
Dexmedetomidine and clonidine in epidural anaesthesia: A comparative evaluation
…, J Kaur, G Singh, V Arora, S Gupta… - Indian journal of …, 2011 - journals.lww.com
Efforts to find a better adjuvant in regional anaesthesia are underway since long. Aims and
objectives are to compare the efficacy and clinical profile of two α-2 adrenergic agonists, …
objectives are to compare the efficacy and clinical profile of two α-2 adrenergic agonists, …
Targeting the Hedgehog pathway in cancer
S Gupta, N Takebe, P LoRusso - Therapeutic advances in …, 2010 - journals.sagepub.com
The Hedgehog (Hh) pathway is a major regulator of many fundamental processes in
vertebrate embryonic development including stem cell maintenance, cell differentiation, tissue …
vertebrate embryonic development including stem cell maintenance, cell differentiation, tissue …
Guest satisfaction and restaurant performance
S Gupta, E McLaughlin… - Cornell Hotel and …, 2007 - journals.sagepub.com
This study demonstrates a methodology to quantify the links between customer satisfaction,
repeat-purchase intentions, and restaurant performance. Using data from a national …
repeat-purchase intentions, and restaurant performance. Using data from a national …
Logit demand estimation under competitive pricing behavior: An equilibrium framework
Discrete choice models of demand have typically been estimated assuming that prices are
exogenous. Since unobservable (to the researcher) product attributes, such as coupon …
exogenous. Since unobservable (to the researcher) product attributes, such as coupon …