A toy model for the epidemic-driven collapse in a system with limited economic resource I. S. Gandzha, O. V. Kliushnichenko and S. P. Lukyanets Eur. Phys. J. B, 94 4 (2021) 90 Published online: 28 April 2021 DOI: 10.1140/epjb/s10051-021-00099-7