EU-wide investment guarantees would artificially reduce the rate of interest under which single EU countries could borrow and thus encourage these countries to take on more debt, effectively suspending the self-correcting mechanism of the capital markets.
Investiční garance na úrovni celé EU by uměle snižovaly úrokovou sazbu, za niž by si jednotlivé země EU mohly půjčovat, a tím by je podněcovaly k většímu zadlužování.