Journal of Distribution Research (한국유통학회지:유통연구)

Korean DIstribution Association (한국유통학회)
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The Impact of SSM Market Entry on Changes in Market Shares among Retailing Types

기업형 슈퍼마켓(SSM)의 시장진입이 소매업태간 시장점유율 변화에 미친 영향

  • Choi, Ji-Ho (School of Business Administration, Chonnam National University) ;
  • Yonn, Min-Suk (Department of Electronic Commerce, Chonnam National University) ;
  • Moon, Youn-Hee (Department of Business Administration, Chonnam National University) ;
  • Choi, Sung-Ho (School of Business Administration, Chonnam National University)
  • 최지호 (전남대학교 경영학부 BK21 (n) Biz Convergence Team) ;
  • 윤민석 (전남대학교 전자상거래전공) ;
  • 문연희 (전남대학교 대학원 경영학과 BK21 (n) Biz Convergence Team) ;
  • 최성호 (전남대학교 경영대학 경영학부 BK21 (n) Biz Convergence Team)
  • Received : 2012.06.30
  • Accepted : 2012.07.20
  • Published : 2012.07.30
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Abstract

This study empirically examines the impact of SSM market entry on changes in market shares among retailing types. The data is monthly time-series data spanning over the period from January 2000 to December 2010, and the effect of SSM market entry on market shares of retailing types is analyzed by utilizing several key factors such as the number of new SSM monthly entrants, total number of SSMs, the proportion of new SSM entrant that is smaller than $165m^2$ to total new SSM entrants. According to the Korean Standard Industrial Classification codes, the retailing type is classified into 5 groups: department stores, retail sale in other non-specialized large stores(big marts), supermarkets, convenience stores, and retail sale in other non-specialized stores with food or beverages predominating (others). The market shares of retailing types are calculated by the ratio of each retailing type monthly sales to total monthly retailing sales in which total retailing sales is the sum of each retailing type sales. The empirical model controls for the size effects with the number of monthly employees for each retailing type and the macroeconomic effects with M2. The empirical model employed in this study is as follows; $$MS_i=f(NewSSM,\;CumSSM,\;employ_i,\;under165,\;M2)$$ where $MS_i$ is the market share of each retailing type (department stores, big marts), supermarkets, convenience stores, and others), NewSSM is the number of new SSM monthly entrants, CumSSM is total number of SSMs, $employ_i$ is the number of monthly employees for each retailing type, and under165 is the proportion of new SSM entrant that is smaller than $165m^2$ to total new SSM entrants. The correlation among these variables are reported in

.
shows the descriptive statistics of the sample. Sales is the total monthly revenue of each retailing type, employees is total number of monthly employees for each retailing type, area is total floor space of each retail type($m^2$), number of store is total number of monthly stores for each retailing type, market share is the ratio of each retailing type monthly sales to total monthly retailing sales in which total retailing sales is the sum of each retailing type sales, new monthly SSMs is total number of new monthly SSM entrants, and M2 is a money supply. The empirical results of the effect of new SSM market entry on changes in market shares among retailing types (department stores, retail sale in other non-specialized large stores, supermarkets, convenience stores, and retail sale in other non-specialized stores with food or beverages predominating) are reported in
. The dependant variables are the market share of department stores, the market share of big marts, the market share of supermarkets, the market share of convenience stores, and the market share of others. The result shows that the impact of new SSM market entry on changes in market share of retail sale in other non-specialized large stores (big marts) is statistically significant. Total number of monthly SSM stores has a significant effect on market share, but the magnitude and sign of effect is different among retailing types. The increase in the number of SSM stores has a negative effect on the market share of retail sale in other non-specialized large stores(big marts) and convenience stores, but has a positive impact on the market share of department stores, supermarkets, and retail sale in other non-specialized stores with food or beverages predominating (others). This study offers the theoretical and practical implication to these findings and also suggests the direction for the further analysis.

본 연구의 목적은 최근 급격하게 확산되고 있는 기업형 슈퍼마켓(SSM)의 시장 진입이 국내 소매업 경쟁구조에 미친 영향을 실증하는데 있다. 자료의 분석기간은 2000년 1월부터 2010년 12월까지이며, 기업형 슈퍼마켓이 월별로 진입한 점포수, 누적 점포수, 신규 SSM 사업체 중 $165m^2$ 미만 점포비율이 분석모형에 고려되어 소매업태별 상대적 시장점유율에 미치는 효과가 분석되었다. 한국표준산업분류 코드에서 종합소매업에 속해 있는 백화점, 대형마트, 슈퍼마켓, 체인화 편의점, 기타 음식료품 위주 종합 소매업으로 구분된 소매업태간 시장점유율은 매월 각 소매업태별 판매액을 합산하여 월별 총 소매판매액을 계산한 후, 각 소매업태의 판매액이 총 소매판매액에서 차지하는 비율로 측정하였다. 통제변수로 소매업태별 종사자 수, 통화량(M2)이 모형에 추가되어 분석되었다. 분석결과, 신규 SSM 시장진입으로 인한 소매업태별 시장점유율 변화는 대형마트에서만 통계적으로 유의한 결과가 도출되었다. SSM의 누적 점포수는 모든 소매업태의 시장점유율 변화에 유의한 영향을 미쳤으나 그 영향력에 대한 방향성이 소매업태별로 다르게 나타났다. 먼저 SSM의 확산은 대형마트와 편의점의 시장점유율을 감소시킨 반면에 백화점, 슈퍼마켓, 기타 음식료품 위주 종합 소매점의 시장점유율에는 긍정적인 공헌을 한 것으로 나타났다. 이러한 결과에 대한 논의, 시사점, 그리고 향후 연구 방향이 제시되었다.

Keywords

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