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What Turns Knowledge into Innovative Products? The Role of Entrepreneurship and Knowledge Spillovers

Block, Joern H.; Thurik, Roy; Zhou, Zhou, H. - Erasmus Research Institute of Management (ERIM), … - 2009

entrepreneurship with respect to economic performance. This paper uses the knowledge spillover theory to explain different innovation …-to-the-market innovation but has no effect on the relationship between knowledge and new-to-the-firm innovation. Our results using European … chances that knowledge will become new-to-the-market innovation. The findings highlight the importance of Schumpeterian …

Persistent link: https://www.econbiz.de/10010730854

Attractive Supervisors: How Does the Gender of the Supervisor Influence the Performance of the Supervisees?

Koellinger, Philipp; Block, Joern H. - Erasmus Research Institute of Management (ERIM), … - 2012

A series of field and laboratory experiments were conducted in which single-sex groups of male or female students competed in different intellectual tasks to earn money or university grades (N = 291). The supervisor of these groups was one of several young and attractive males or females. The...

Persistent link: https://www.econbiz.de/10010730988

An Inventory Model for Slow Moving Items Subject to Obsolescence

Dekker, Rommert; Pinçe, Pinçe, C. - Erasmus Research Institute of Management (ERIM), … - 2009

In this paper, we consider a continuous review inventory system of a slow moving item for which the demand rate drops to a lower level at a pre-determined time. Inventory system is controlled according to one-for-one replenishment policy with fixed lead time. Adaptation to the lower demand rate...

Persistent link: https://www.econbiz.de/10010730983

Quick Response Practices at the Warehouse of Ankor

Dekker, Rommert; de Koster, de Koster, M.B.M.; van … - Erasmus Research Institute of Management (ERIM), … - 2002

In the warehouse of Ankor, a wholesaler of tools and garden equipment, various problems concerning the storage and retrieval of products arise. For example, heavy products have to be retrieved prior to light products to prevent damage. Furthermore, the layout of the warehouse differs from the...

Persistent link: https://www.econbiz.de/10010731018

Distributed Services with Foreseen and Unforeseen Tasks: The Mobile Re-allocation Problem

Dekker, Rommert; Kaymak, Uzay; Larco Martinelli, Larco … - Erasmus Research Institute of Management (ERIM), … - 2007

In this paper we deal with a common problem found in the operations of security and preventive/corrective maintenance services: that of routing a number of mobile resources to serve foreseen and unforeseen tasks during a shift. We define the (Mobile Re-Allocation Problem) MRAP as the problem of...

Persistent link: https://www.econbiz.de/10010731075

Cyclic Railway Timetabling: a Stochastic Optimization Approach

Dekker, Rommert; Kroon, Kroon, L.G.; Vromans, Vromans, … - Erasmus Research Institute of Management (ERIM), … - 2005

Real-time railway operations are subject to stochastic disturbances. However, a railway timetable is a deterministic plan. Thus a timetable should be designed in such a way that it can absorb the stochastic disturbances as well as possible. To that end, a timetable contains buffer times between...

Persistent link: https://www.econbiz.de/10010731135

Reliability and heterogeneity of railway services

Dekker, Rommert; Vromans, Vromans, M.J.C.M.; Kroon, … - Erasmus Research Institute of Management (ERIM), … - 2003

Reliability is one of the key factors in transportation, both for passengers and for cargo. This paper examines reliability in public railway systems. Reliability of railway services is a complex matter, since there are many causes for disruptions and at least as many causes for delays to spread...

Persistent link: https://www.econbiz.de/10010731209

Airline Revenue Management with Shifting Capacity

Dekker, Rommert; Pak, K.; Kindervater, G.A.P. - Erasmus Research Institute of Management (ERIM), … - 2003

Airline revenue management is the practice of controlling the booking requests such that the planes are filled with the most profitable passengers. In revenue management the capacities of the business and economy class sections of the plane are traditionally considered to be fixed and distinct...

Persistent link: https://www.econbiz.de/10010731248

Economic Modeling Using Evolutionary Algorithms: The Effect of a Binary Encoding of Strategies

Dekker, Rommert; Kaymak, Uzay; Waltman, Waltman, L.; … - Erasmus Research Institute of Management (ERIM), … - 2009

We are concerned with evolutionary algorithms that are employed for economic modeling purposes. We focus in particular on evolutionary algorithms that use a binary encoding of strategies. These algorithms, commonly referred to as genetic algorithms, are popular in agent-based computational...

Persistent link: https://www.econbiz.de/10010731317

Reverse Logistics - a review of case studies

de Brito, Marisa P.; Dekker, Rommert; Flapper, S.D.P. - Erasmus Research Institute of Management (ERIM), … - 2003

Products, components, materials and other equipment stream forward and back wards and back in their supply chains. Reverse Logistics deals with the processes associated with the reverse stream from users/owners to re-users. This paper provides a review and content analysis of scientific...

Persistent link: https://www.econbiz.de/10010731477