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Philippe Wingender
,
Jiaxiong Yao
,
Robert Zymek
,
Benjamin Carton
,
Diego A. Cerdeiro
, and
Anke Weber
European countries have set ambitious goals to reduce their carbon emissions. These goals include a transition to electric vehicles (EVs)—a sector that China increasingly dominates globally—which could reduce the demand for Europe’s large and interconnected auto sector. This paper aims to size up the tradeoffs between Europe’s shift towards EVs and key macroeconomic outcomes, and analyze which policies may sharpen or ease them. Using state-of-the-art macroeconomic and trade models we analyze a scenario in which the share of Chinese cars in EU purchases rises by 15 percent over 5 years as a result of both a positive productivity shock for car production in China and a demand shock that shifts consumer preferences towards Chinese cars (given China’s dominance in the EV sector). We find that for the EU as a whole, the GDP cost of this shift is small in the short term, in the range of 0.2-0.3 percent of GDP, and close to zero over the long term. Adverse short-run effects are more significant for smaller economies heavily reliant on the car sector, mainly in Central Europe. Protectionist policies, such as tariffs on Chinese EVs, would raise the GDP cost of the EV transition. A further increase in Chinese FDI inflows that results in a significant share of Chinese EVs being produced in Central European economies, on the other hand, would offset losses in these economies by supporting their shift from supplying the internal combustion engine (ICE) production chain to that of EVs.
Rudolfs Bems
,
Luciana Juvenal
,
Weifeng Liu
, and
Warwick J. McKibbin
This paper assesses the economic effects of climate policies on different regions and countries with a focus on external adjustment. The paper finds that various climate policies could have substantially different impacts on external balances over the next decade. A credible and globally coordinated carbon tax would decrease current account balances in greener advanced economies and increase current accounts in more fossil-fuel-dependent regions, reflecting a disproportionate decline in investment for the latter group. Green supply-side policies—green subsidy and infrastructure investment—would increase investment and saving but would have a more muted external sector impact because of the constrained pace of expansion for renewables or the symmetry of the infrastructure boost. Country characteristics, such as initial carbon intensity and net fossil fuel exports, ultimately determine the current account responses. For the global economy, a coordinated climate change mitigation policy package would shift capital towards advanced economies. Following an initial rise, the global interest rates would fall over time with increases in the carbon tax. These external sector effects, however, depend crucially on the degree of international policy coordination and credibility.
Miss Yushu Chen
,
Ting Lan
,
Ms. Aiko Mineshima
, and
Jing Zhou
The surge in energy prices since Russia’s invasion of Ukraine has reduced the energy-intensive sector’s production in Germany, although the non-energy intensive sector’s production has held up thanks in part to firms’ efforts to improve energy efficiency. Energy prices are expected to remain elevated in the foreseeable future, compared to pre-war levels, adversely affecting firms’ productivity and thus lowering Germany’s potential output. Economic modeling suggests that this effect could be around 1¼ percent of GDP in staff’s baseline, with some uncertainty around this estimate, depending on the ultimate magnitude of the energy price shock and the degree to which increased energy efficiency can mitigate it. Policies can promote effective adjustment to the shock by increasing productivity and maintaining strong price incentives to conserve energy and invest in renewable energy production.
Ruchir Agarwal
,
Patrick Gaulé
, and
Geoff Smith
This paper studies the impact of U.S. immigration barriers on global knowledge production. We present four key findings. First, among Nobel Prize winners and Fields Medalists, migrants to the U.S. play a central role in the global knowledge network—representing 20-33% of the frontier knowledge producers. Second, using novel survey data and hand-curated life-histories of International Math Olympiad (IMO) medalists, we show that migrants to the U.S. are up to six times more productive than migrants to other countries—even after accounting for talent during one’s teenage years. Third, financing costs are a key factor preventing foreign talent from migrating abroad to pursue their dream careers, particularly for talent from developing countries. Fourth, certain ‘push’ incentives that reduce immigration barriers—by addressing financing constraints for top foreign talent—could increase the global scientific output of future cohorts by 42 percent. We concludeby discussing policy options for the U.S. and the global scientific community.
Mr. Sebastian Acevedo Mejia
,
Mr. Mico Mrkaic
,
Natalija Novta
,
Evgenia Pugacheva
, and
Petia Topalova
Global temperatures have increased at an unprecedented pace in the past 40 years. This paper finds that increases in temperature have uneven macroeconomic effects, with adverse consequences concentrated in countries with hot climates, such as most low-income countries. In these countries, a rise in temperature lowers per capita output, in both the short and medium term, through a wide array of channels: reduced agricultural output, suppressed productivity of workers exposed to heat, slower investment, and poorer health. In an unmitigated climate change scenario, and under very conservative assumptions, model simulations suggest the projected rise in temperature would imply a loss of around 9 percent of output for a representative low-income country by 2100.