@article{howcovid19pandemicchangesthetheoryof,
  title = {How Covid-19 Pandemic Changes the Theory of Economics?},
  author = {Matti Estola},
  year = {2020},
  eprint = {2012.04571},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2012.04571v1},
}