Billions of dollars would be added to the trans-Tasman economy by ending double taxation of dividends, says research commissioned by the Australia New Zealand Leadership Forum.
The research by Sydney's Centre for International Economics and New Zealand Institute of Economic Research was sent to the productivity commissions of both countries on Monday and would be put "in the mix" of an economic project the commissions were carrying out, a spokeswoman for the New Zealand Productivity Commission told NZ Newswire.
A draft report is due on September 18.
The research finds that mutual recognition of franking and imputation credit schemes would cause the trans-Tasman economy to grow by AU$5.3 billion (NZ$6.9 billion) by 2030.
But there would be a short-term hit to tax revenues of NZ$494 million for Australia and NZ$156 million for New Zealand, the Australian newspaper reported.
A change would let people claim personal refunds on the tax companies have already paid on the dividends they distribute to shareholders.
Currently a trans-Tasman imputation regime enables trans-Tasman companies to allocate franking or imputation credits but does not completely eliminate double taxation, because shareholders are only able to use credits from their home jurisdiction, rather than receiving a full credit for the corporate tax paid, CPA Australia has said.
Companies have been lobbying for reform of the imputation regime after an issues paper on strengthening economic ties between Australia and New Zealand was released by the two commissions in April.
Nuplex Industries, which has 38 percent of its sales in Australia and 90 percent of its shareholders in New Zealand, said in June that recognition in New Zealand of franking credits in Australia would increase after-tax returns to New Zealand investors.
NZN