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Network features in shaping sectors’ responses to the Spillover effects of Covid -19 shocks
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…
Firm heterogeneity and export behavior: evidence from Tunisia
We use unique enterprise survey data to explore the export behavior of firms in Tunisia, a small, trade-dependent country with a complex policy environment regarding exporting. Firms may export directly or indirectly through intermediaries, and can…
COVID-19 shock on supply chains: evidence from a developing country
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…
Le systeme agricole et agroalimentaire tunisien face aux crises: Focus sur la chaîne de valeur cerealiere
Ce rapport est la contribution de l'Organisation des Nations Unies pour l’alimentation et l’agriculture (FAO) dans le cadre du projet TCP/TUN/3801 «Réponses aux conséquences de la crise de la covid‑19 sur les chaînes de valeur alimentaires et…
Public debt, growth and stabilization in Tunisia: A new narrative for a structural reform agenda
This paper assesses debt sustainability in Tunisia using the Debt Sustainability Analysis (DSA). We construct three hypothetical scenarios (A, B and C) over the period 2023-2027. The first two scenarios are called Business as usual approaches. In…
Global value chains and firms’ environmental performance, published in World Development
This paper analyzes the link between joining global value chains (GVCs) and firms’ environmental performance. Based on new survey data for firms in countries in Central Asia, Eastern Europe, and MENA, we use propensity score matching (PSM) to…
CO2 emissions, environmental provisions and global value chains in MENA countries
The paper investigates the relationship between carbon emissions, environmental provisions in Regional Trade Agreements (RTAs) and Global Value Chains (GVCs) using a panel data gravity model for the Middle East and North Africa (MENA) region over…
"Governance and renewable energy investment in MENA countries: How does trade matter?" appeared in Energy Economics
The Middle East and North Africa (MENA) countries have recently developed renewable energy (RE) markets. However, their rate of investment in renewable energy remains small compared to other regions in the world despite their relatively abundant…
Risk Aversion, Environmental Regulation and Cournot Competition on Electricity Wholesale Market
This paper analyses the effect of green energy promotion policies in a decentralized power industry. We develop a Cournot duopolistic competition between risk-adverse operators each detaining polluting and clean technologies. We show that the…