The aim of this paper is an investigation on the role of demand in industrial dynamics. Despite the decades-long debate on demand and innovation, theory still lacks a comprehensive analytical formulation. This paper proposes a model where demand is conceived as a peculiar blend of two conditions, market size, and users’ sophistication. These conditions drive firms’ incentives to innovate. As ma...

Fungicide mixtures produced by the agrochemical industry often contain low-risk fungicides, to which fungal pathogens are fully sensitive, together with high-risk fungicides known to be prone to fungicide resistance. Can these mixtures provide adequate disease control while minimizing the risk for the development of resistance? We present a population dynamics model to address this question. We...

Muhammad Qasim 1, Zafar Hayat Khan 2, Ilyas Khan 3 and Qasem M. Al-Mdallal 4,* 1 Department of Mathematics, COMSATS Institute of Information Technology, Park Road, Chak Shahzad, Islamabad 44000, Pakistan; [email protected] 2 Department of Mathematics, University of Malakand, Khyber Pakhtunktwo 18800, Pakistan; [email protected] 3 Department of Mechanical and Industrial Engineering, Colle...

Donghan Kang a, Kyungsik Lee b, Sungsoo Park a,∗, Kyungchul Park c and Sang-Baeg Kim c a Department of Industrial Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusong-Dong, Yusong-Gu, Taejon 305-701, Korea E-mail: [email protected] b ETRI, 161 Kajong-Dong, Yusong-Gu, Taejon 305-350, Korea c Telecommunication Network Lab, Korea Telecom, Junmin-Dong, Yusong-Gu, Taej...