Innovation Diffusion and Forecasting

Model validation constitutes a very important step in system dynamics methodology. Yet, both published and informal evidence indicates that there has been little effort in system dynamics community explicitly devoted to model validity and validation. Validation is a prolonged and complicated process, involving both fo…

There is consensus among scholars and policy makers that knowledge is one of the key drivers of long-run economic growth. It is also clear from the literature that not all knowledge has the same value. However, too often in economic geography and cognate fields we have been obsessed with counting knowledge inputs and…

• EMİNE SEDEF AKGÜNGÖR

Most durable products have two distinct types of customers: first-time buyers and customers who already own the product, but are willing to replace it with a new one or purchase a second one. Firms usually adopt a price-discrimination policy by offering a trade-in rebate only to the replacement customers to hasten the…

• MUSTAFA NECATİ ARAS

Innovative firms are generally more successful in both industrial and consumer markets. However, factors that make firms innovative are often elusive and complex. Looks at how strategic posture, organization structure, environmental hostility and uncertainty interact and how each factor contributes to an explanation o…

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• SERKAN ALTUNTAŞ

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• TÜRKAY DERELİ

Many companies compete globally in a world in which user ratings and price are important drivers of performance but whose importance may differ by country. This study builds on the cultural, economic, and structural differences across countries to examine how app popularity reacts to price and ratings, controlling for…

• GÖKHAN YILDIRIM

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• HAYDAR YALÇIN

Supply chain inventories are prone to fluctuations and instability. Known as the bullwhip effect, small variations in the end item demand create oscillations that amplify throughout the chain. By using system dynamics simulation, we investigate some of the structural sources of the bullwhip effect, and explore the eff…

• YAMAN BARLAS

A new competitive landscape requires businesses to adapt quickly to changeable conditions. In other words businesses need strategic flexibility. Strategic flexibility refers to an ability of firms to respond and adapt to environmental changes. Strategic flexibility enables firms many advantages. For example, it may im…

• AYŞE CİNGÖZ KARAFAKIOĞLU

An emerging stream of work on technology acceptance and innovation diffusion complements a large body of literature that points to users’ technology acceptance behavior. In this paper, we argue theoretically that technology acceptance should be integrated into diffusion of innovation theory, so both concepts should be…

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• ZEYNEP DİDEM UNUTMAZ DURMUŞOĞLU