Food retail market structure and produce purchases in the United States

Agribusiness ◽  
2018 ◽  
Vol 34 (4) ◽  
pp. 756-770 ◽  
Author(s):  
Xiaowei Cai ◽  
Richard Volpe ◽  
Christiane Schroeter ◽  
Lisa Mancino
Agribusiness ◽  
2008 ◽  
Vol 24 (3) ◽  
pp. 403-413 ◽  
Author(s):  
Cembalo Luigi ◽  
Cicia Gianni ◽  
Del Giudice Teresa ◽  
Scarpa Riccardo ◽  
Tagliafierro Carolina

2020 ◽  
Vol 1 (3) ◽  
pp. 01-05
Author(s):  
Robert GS

An oligopoly is defined as a market structure with a small number of firms that dominate an industry, of which none can keep the other from significantly influencing the market. This market structure is distinctly different from other market forms. In today’s market, the oligopoly structure is the most common market structure. It can be argued that the few pharmaceutical companies who market, manufacture, and distribute opioids all over the world constitute “opioid oligopoly.” Bachtell has reported that dozens of opioid manufacturers, distributors, pharmacies, and doctors turn a blind eye to the opioid crisis swamping the United States.


Author(s):  
Zixue Tai ◽  
Haifang Zeng

This chapter presents a critical analysis of China’s nascent but fast-evolving mobile game market. Through a penetrating examination of the historical evolution of the market from the late 1990s to the dawn of the 3G era, it offers insight on the changing dynamics of interplay as well as major trends of concentration and internationalization among key sectors of the Chinese mobile market structure. By casting findings in the comparative lenses of major global mobile markets in the United States, Japan and South Korea, the chapter contributes to an in-depth understanding of the universalizing features and the peculiarities of China’s mobile games and gamers.


2017 ◽  
Vol 76 (3) ◽  
pp. 315-336 ◽  
Author(s):  
Richard A. Hirth ◽  
Qing Zheng ◽  
David C. Grabowski ◽  
David G. Stevenson ◽  
Orna Intrator ◽  
...  

Consistently accounting for more than 50% of the nursing homes in the United States, corporate chains have played an important role in the industry for several decades. However, few studies have explicitly considered the role of chains in measuring competition in nursing home markets. In this study, we use a newly developed database tracking common ownership over a period of nearly two decades to compare chain-adjusted and unadjusted measures of competition at the county and 25 km fixed-radius levels and explore how the differences would affect the assessment of local market structure. On average, the chain-adjusted Herfindahl–Hirschman Indexes (HHIs) are about 0.02 higher than the unadjusted HHIs. Each year, about 20% to 22% of the counties would appear more concentrated when recalculating HHIs accounting for common ownership. Evidence suggests that nursing home chains tend to focus more on expanding access to new markets within a state than to increasing market power within a smaller local market.


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