@article{modelingsimultaneoussupplyanddemand, title = {Simultaneous supply and demand constraints in input-output networks: The case of Covid-19 in Germany, Italy, and Spain}, author = {Anton Pichler and J. Doyne Farmer}, year = {2021}, eprint = {2101.07818}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2101.07818v2}, }