a r t i c l e i n f o The tendency of meta-analytic authors to select particular studies is called selection bias. Selection bias can affect the strength of the meta-analytic estimate and the attention that scholars devote to the results. This research is, in effect, a meta-analysis of the effect sizes reported or calculated from 94 meta-analysis studies of various topics in marketing research....

study of collective actions is related to some of the most important issues in contemporary sociology such as cooperation, collective decision making, emergence of social norms etc. this paper in four steps presents a framework for studying collective actions. these steps are related to characteristics of collective actions (cooperation and common good), factors effecting the emergence of colle...

Despite its pedagogical predominance during the last four decades, marketing scholars increasingly doubt the value of the 4Ps schema. As a prelude to a new precursory structural framework for marketing management, criticisms and previously proposed modifications of the 4Ps are reviewed briefly. Next, the basic premise of Hunt’s four explananda of marketing theory–that exchange is the core conce...

A correct social media strategy is essential for travel agencies working in today's global market to reach customers. The travel industry is a service-oriented industry, and travel agencies can easily reach their customers on social media by transforming their marketing strategies at no extra costs. There are so many options that a travel agency can use to make itself more visible on social med...