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When you step into a voting booth, you are faced with a choice: who do you vote for? What happens to people who share the ideas of several parties at once? How can these people influence elections? These are the questions that Sacha Bourgeois-Gironde and João V. Ferreira answer in an article that examines how individuals divided between several ideologies can impact elections.

Should we wish for the best or focus on damage control? From deciding who will sit on the U.S. Supreme Court, to choosing a cake for guests, or distributing a budget, the question is always there. Anna Bogomolnaia, Ron Holzman, and Hervé Moulin look at the mechanisms of decision-making and come up with ways to increase the guarantee that the worst will not happen.

Bruno Ventelou (AMSE/CNRS), a health economist, talks about his research.

Only in French | Video conference by Charles Figuières (AMSE, Aix Marseille University, FEG) who offers an introduction to behavioural economics as part of the Sciences Echos cycle.

Fuel prices are almost constantly changing, whilst prices paid for electrical appliances may remain stable for several months. For most products, prices tend to remain the same over weeks or even months. There is a simple explanation for this: it would be too expensive for companies to perpetually analyse market price changes. This is the conclusion reached by economists Mark N. Harris, Hervé Le Bihan and Patrick Sevestre after analysing the evolution of prices of several hundred industrial product pricess.

In 2019, public health expenditure in the European Union amounted to 983 billion euros - 7% of GDP on average. According to a study conducted by researchers Yevgeniy Goryakin, Sophie Thiébaut, Sébastien Cortaredona, Aliénor Lerouge, Michele Cecchini, Andrea Feigl, and Bruno Ventelou, health spending will continue to increase steadily, reaching an estimated figure of between 1223 and 1278 billion euros by 2050.

Only in French | A team of researchers, including Gilbert Cette (AMSE/AMU/Banque de France), questions, the relevance of 3D printers as a means of production in times of pandemic

Only in French | Gilbert Cette (AMSE/AMU/Banque de France) was the guest on the Good Morning Business programme on BFM Business.

Only in French | How can social mobility be increased and gender inequality reduced? In an interview for "Pour l'Éco", Cecilia Garcia-Peñalosa proposes a solution: improve teacher wages and giving more resources to secondary schools.

A study by Lucie Adélaïde (Santé publique France), Olivier Chanel (AMU/CNRS/AMSE), Mathilde Pascal (Santé publique France) published in the European Journal of Health Economics and Bulletin épidémiologique hebdomadaire assesses the economic impact associated with mortality, morbidity, and loss of well-being during heat waves in France