scholarly journals Sustained oscillation induced by time delay in a commodity market model

2017 ◽  
Vol 2017 (1) ◽  
Author(s):  
Kejun Zhuang ◽  
Gao Jia
2002 ◽  
Vol 34 (3) ◽  
pp. 401-415
Author(s):  
Timothy J. Richards ◽  
Luis Padilla

Considerable evidence exists of high returns to public and private investment in commodity research and development programs. This study investigates the potential returns to product research, development, and marketing in a dynamic commodity-market model. Theoretical hypotheses derived from the solution to this model are tested in an empirical example of Washington apples. Estimation results show that, despite significant spillovers to research and promotion expenditure in this industry, there is nonetheless considerable latitude to increase annual sales.


2013 ◽  
Vol 398 (2) ◽  
pp. 707-714 ◽  
Author(s):  
Eduardo Liz ◽  
Gergely Röst

2010 ◽  
Vol 27 (5) ◽  
pp. 1136-1143 ◽  
Author(s):  
Frank Westerhoff ◽  
Cristian Wieland

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