A study by Prof. Peter Petri of Brandeis University, shows the Trans Pacific Trade Agreement boosting economic output in the U.S. by about 0.4% by 2025 or $77 billion. Winners are biologic drugs which get long term patent protection, tech firms and software engineering services. Losers are the Detroit auto industry with higher auto parts imports, light manufacturing, and some heavy manufacturing sectors. Prof. Douglas Irwin of Dartmouth College and other experts say it is not clear how U.S. consumers and businesses will benefit. The import duties as a percentage of total imports are now at about 1.4%. Experts say about 4/5ths of the benefits of TPP for the U.S. are from opening up trade in services and new rules for investment and commerce. TPP includes Pacific countries Canada, Australia, New Zealand, Chile, Mexico, Malaysia, Singapore, Vietnam, and Japan. Issues are environmental rules, worker protection and standards, agricultural imports in sensitive countries such as Canada and Japan, affordable drugs in poor countries....