M&A is highly responsive to changes in interest rates. It’s easier and cheaper, at least on the debt side, to finance acquisitions in a low-interest-rate environment as acquirers can borrow more cheaply. This should drive higher deal-making activity.. M&A is highly responsive to changes in interest rates. It’s easier and cheaper, at least on the debt side, to finance acquisitions in a low-interest-rate environment as acquirers can borrow more cheaply. This should drive higher deal-making activity.. M&A is highly responsive to changes in interest rates. It’s easier and cheaper, at least on the debt side, to finance acquisitions in a low-interest-rate environment as acquirers can borrow more cheaply. This should drive higher deal-making activity..