Answer: A weak institutional environment.
Explanation: In countries with a weak institutional environment, deposit insurance has not been efficient. Deposit insurance is a measure put in place by many countries to protect bank customers deposits. it can either be in full or part, from losses caused by a bank's failure to pay its debts as at when due. A deposit insurance system has contributed positively to the stability of a nation’s financial system if it is part of a well-designed safety net.