Integration of prices in major markets of onion and potato in India by NANDINI SAHA, AMIT KAR, GIRISH K JHA, PRAMOD KUMAR, P VENKATESH, RAJEEV R KUMAR

“…In this study to test the stationarity of the price series, Augmented Dickey Fuller test and Phillips-Perron test was used. The outcomes of the study strongly supported the presence of co-integration and interdependence of the selected markets from the result of Johansen cointegration test and Granger causality test revealed the presence of bidirectional relationship among most of the markets but also there exists unidirectional relationship among few markets. …”
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