IT IS AN axiom of commerce that economic development follows Interstate highways. Except in Vermont. A new study by University of Vermont economist Arthur Woolf has found that development that should have come along I-91 up the Connecticut River instead came across the river — in New Hampshire. The reason? Higher taxes and regulations in Vermont. “We’re seeing the gap grow larger and larger each time we do the study,”... “Those communities along the river are really feeling the impact now.” They are feeling the impact of taxes and regulations imposed in the 1960s and ’70s... Vermont border counties had...