Demand-based pricing versus past-price dependence:

These models are well suited to measure the retail-pricing dynamics central to our study. An 11-equation VARX model was estimated per category per store, with sales volume of the top three brands (Si, i=1,2,3), an other-brands composite (S4), wholesale and retail prices of the top three brands (WPi and RPi, i=1,2,3), and store traffic (ST); a ... ................
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