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조석진 ( Suk Jin Cho ) 한국농업경제학회 2003 농업경제연구 Vol.44 No.2
There are two types of demand for a female cattle: as a productive asset and a consumer good depending upon the price changes. And such response is lagged due to the nature of the underlying production process. This study analyzed the nature of the lagged supply response of Hanwoo(Korean native cattle) breeding farms using a polynomial distributed lag model. The results revealed that the slaughter of female animal decreases as the ratio of calf to feed price soars and vice versa. And the greatest negative impact appears in the first period followed by cyclical variations over time. This implies that the impact of a price change is not independent of beef cycle in the long-run. Both the long-run and short-run supply elasticities of female cattle turned out to be -1.470 and -0.217, respectively. And this result was very similar to that obtained by Nerlove`s(1956) partial adjustment model.
조석진 ( Suk-jin Cho ) 한국농식품정책학회 2010 농업경영정책연구 Vol.37 No.1
Dairy industry in Korea is facing an unprecedented difficulties following the settlement of free trade agreement (FTA) with U.S. and EU the two major dairy exporters. Dairy product already has become a necessity in Korea only preceded by rice. So maintenance of domestic milk production at a proper level is very important in the respect of food security. For this, renovation of dairy system is badly needed. However, the new dairy scheme suggested by government recently seems not successful in deriving consensus among interested parties. On the other hand, due to the characteristics of dairy farming, market intervention is very common in most countries. Korea also adopted quota system in 2002 to match milk supply with demand and it contributed no less to decreasing surplus over the past seven years. However, the quota system in Korea lacks equilibrium among dairy farms belonging different assemblers in terms of price, quota and bargaining power. This is why introduction of a new nation-wide quota system is inevitable. This study reviews some measures prerequisite for new dairy system including quota buyout.