Publications /
Research Paper

Back
Evaluation de la Contribution Economique de la Surexploitation des Eaux Souterraines dans l’Agriculture au Maroc
Authors
Johan Grijsen
May 23, 2018

La prise en compte de la consommation de capital, qu’il soit fabriqué ou naturel, est devenue une question fondamentale dans toute évaluation de la performance économique ou mesure de la richesse créée aux niveaux sectoriel ou économique global. S’il est plus simple de mesurer cette consommation dans le cas du capital fabriqué ou dans celui des ressources minières, les méthodes proposées sont loin de faire l’unanimité dans le cas des ressources naturelles dites faiblement renouvelables, comme c’est le cas des eaux souterraines.

Le présent travail se propose d’évaluer la valeur économique de la consommation de ces dernières dans le cas Maroc, et plus particulièrement dans le secteur productif, c’est-à-dire dans l’irrigation. La méthode adoptée se base sur le prix hédonique, tel que reflété dans le prix de la terre, et sur l’évaluation des multiplicateurs calculés à l’aide de la matrice de comptabilité sociale. Les résultats démontrent que la surexploitation des nappes souterraines ne contribue que marginalement à la création de la richesse, mesurée par la valeur ajoutée, et que les faibles gains obtenus ne justifient nullement la perte d’un capital aussi stratégique de points de vue social etéconomique.

RELATED CONTENT

  • Authors
    April 10, 2019
    Africa is experiencing a demographic boom, so as its population is expected to double by 2050 to reach 2.8 billion. The growth in Africa’s working-age population will be inevitable. The youth population will also grow to make of Africa the continent of youth ‘par excellence’, so as it will hold the largest number of young people in the globe. Source: UN DESA | United Nations Department of Economic and Social Affairs, 2018 Against this outlook, economic growth is essential for Afric ...
  • Authors
    Nchimunya Hamukoma
    April 9, 2019
    The author is an alumnus of the 2018 Atlantic Dialogues Emerging Leaders program On a Saturday evening in March at an upscale gallery in Johannesburg’s CBD, the lights went out.  A child in the crowd yelped in shock, but most of the adults let out a gentle sigh of resignation. An attendant came by soon after to assure that it wasn’t load shedding and that the power would be reconnected shortly, but we had become inured to the darkness and the idea that electricity wasn’t something ...
  • Authors
    Sous la direction de
    Philippe Chalmin
    April 9, 2019
    Les cours des matières premières ont, une fois encore, été marqués par une importante volatilité en 2017 et 2018. Si de nombreux facteurs économiques permettent de l’expliquer, la raison politique fut également bien présente. Les Annual Report tensions commerciales entre la Chine et les États-Unis on Commodity et, plus globalement, la montée des incertitudes ont pesé Analytics and sur les perspectives macroéconomiques mondiales et sur Dynamics « le dynamisme des marchés ». Comptant ...
  • Authors
    Under the direction of
    Philippe Chalmin
    April 9, 2019
    Commodity prices were once again marked by significant volatility in 2017 and 2018. While there are many economic factors to explain this, politics were also present—trade tensions between China and the United States and, more generally, a rise in uncertainties—weighing upon the global macroeconomic outlook and the ‘dynamism of the markets’. Africa, which has countries with strong growth rates, has, however, been able to show solid economic performance, and this trajectory is not li ...
  • Authors
    April 5, 2019
    Next week, the 2019 Spring Meeting of the International Monetary Fund (IMF) and the World Bank will take place in Washington, in this 75th year since the birth of the two institutions. Christine Lagarde, the IMF's managing director, speaking on Tuesday at the US Chamber of Commerce, offered an appetizer about the macroeconomic projections to be released. Last January, the IMF reduced its forecast of global economic growth to 3.5 percent in 2019 and 2020, lower rates as compared to ...
  • Authors
    April 4, 2019
    Can a G7, dominated by developing nations, provide the impulse to global governance as did the old G7? The answer is no. What a difference ten years can make. It was nearly ten years ago when, in a paper written with Benn Stancil and titled “The World Order in 2050,” he and I predicted that by 2030 — in 11 years from now — five of the seven largest economies of the world would be drawn from the ranks of developing countries as defined by the World Bank at the time of our writing. ...
  • Authors
    Hamza Rkha Chaham
    April 3, 2019
    The author is an alumnus of the 2018 Atlantic Dialogues Emerging Leaders program Arable land per capita availability has been steadily decreasing over the last decades, from 0.5 hectare per capita in 1945 to 0.2 hectares per capita in 2016. Worldwide farmers have been, more or less, addressing the intensification challenge by incorporating new technologies, products, and techniques into their farming systems. The intensification challenge also implied a consolidation of the farming ...
  • April 03, 2019
    Our Senior Fellow, Uri Dadush presents a Policy Brief entitled “The Crisis in World Trade” that he co-authored with 8 other experts. It provides decision-makers with a succinct review of ...
  • Authors
    April 2, 2019
    Donald Trump finally has met a strongman he does not like. After making friends with authoritarian figures around the world, in Beijing, Budapest and Moscow, Ankara, Riyadh, Cairo and Manila or Jerusalem .He even fell in love with Kim Jong un, the dictator in North Korea, who’ s self righteousness borders the pathological narcissism of Donald Trump, who doesn’t mind that his love had his uncle executed and his brother poisoned. Trump is not wavering in the defense of Mohamed bin Sal ...