On July 6, 2018, Japan became the second country to ratify the agreement.   A 2016 study by political scientist Todd Allee and Andrew Lugg of the University of Maryland suggests that if the TPP becomes a standard legal text, it will mark future cooperation and trade agreements.  In a 2018 study on general foreign trade, researchers found that a large majority of adults in the United States view foreign trade as more favourable to U.S. growth than to a foreign threat.  In the international context, Americans are generally among the least likely supporters of the Trans-Pacific Partnership and there is a clear partisan divide between American public opinion to support the trade agreement.  Economists Peter A. Petri and Michael G. Plummer of the Peterson Institute for International Economics predict that the TPP would increase U.S. revenues by $131 billion per year, or 0.5% of GDP. Exports from the United States would increase by $357 billion per year, or 9.1%, as a result of the agreement.  However, two tufts University economists argue that Petri`s research is based on unrealistic assumptions such as full employment: lost jobs are immediately replaced in other industrial sectors.  According to Harvard economist Dani Rodrik, “Petri and Plummer believe that labour markets are flexible enough to compensate for job losses in sectors of the economy affected by job losses elsewhere. Unemployment is excluded from the outset – an integrated result of the model that TPP supporters often distort.  Rodrik notes that “the Petri Plummer model is directly based on decades of academic business modelling, which distinguishes a clear distinction between microeconomic effects (the design of resource allocation by sector) and macroeconomic effects (compared to the general level of demand and employment).
In this tradition, trade liberalization is a microeconomic “shock” that affects the composition of employment, but not its overall level.  On 25 October 2018, New Zealand ratified the CPTPP and increased the number of countries that have officially ratified the agreement to four.  Twelve countries participated in the TPP negotiations: the four contracting parties to the 2005 Trans-Pacific Strategic Economic Partnership Agreement and eight other countries. All twelve signed the TPP on February 4, 2016.  The agreement would have entered into force after ratification by all signatories if this had been done within two years. If the agreement had not been ratified by all by 4 February 2018, it would have entered into force after ratification by at least six states, which together have a GDP of more than 85% of the GDP of all signatories. The U.S. withdrawal from the agreement in January 2017 ended virtually all prospects for the agreement to enter into force. In response, the other parties successfully negotiated a new version of the agreement, which does not have the 85% of GDP threshold, the CPTPP, which came into force in December 2018. According to the Congressional Research Service, “Tufts` study, as an unconventional framework for the analysis of trade agreements, has attracted particular criticism, while the computable general Equilibrium (CGE) models used in Peterson`s study are the standard in commercial analysis.  Fabio Ghironi, a professor of economics at the University of Washington, describes the models of the World Bank and the Peterson Institute in more favourable terms than Tufts` analysis.  A September 2016 report by the Institute for Agriculture and Trade Policy (IATP) predicts that “if countries take action to protect the climate, conflicts between trade rules and climate targets will escalate.” :1 The report also indicates that trade agreements such as the TPP establish broad-based rules for the economy and government policy, which expands trade, often in the extractive sectors, and protects businesses and financial enterprises from future climate stabilization measures.
 In addition, the UK government has stated that by 2019, each region and nation in the United Kingdom is exporting at least 1 billion pounds ($1.25 billion) of goods to CPTPP member countries.  The UK Government