As inter-sectoral linkages are being increasingly organized in complex networks, It has become inconceivable to study sectors’ responses to exogenous shocks without considering the nature of these invisible but real linkages Leontief (1941). However…
In this paper we evaluate the impact of COVID-19 lockdown policies on Tunisia’s supply chains. We estimate a Poisson Pseudo Maximum Likelihood model using data on bilateral imports for intermediate, capital, and final goods for the years 2019 and…
COVID-19 pandemic caused significant disruption of trade flows between countries, revealing the vulnerability of global value chains. This unexpected event sparked a public debate on devising new policies to increase the resilience of value chains.…
The objectives of this article are to develop a partial equilibrium model for a dairy sector according to two approaches—“Quantity Formulation” and “Price Formulation”—and to show their equivalence under the assumption of perfect competition. We…