Bel Hadj Tarek, B.H.T. 2020. Absorptive Capacity, R&D Spillovers and Product Variety: An Empirical Evidence for Tunisia : Absorptive Capacity, R&D Spillovers and Product Variety: An Empirical Evidence for Tunisia . Journal of Business & Economics . 3, 2 (Jun. 2020), 235-269. DOI:https://doi.org/10.62500/jbe.v3i2.38.