One year before the start of the California Gold Rush, the Panama Railroad Company was formed, but the railroad did not begin full operation until 1855. Between 1848 and 1869, the year the first transcontinental railroad was completed in the United States, about 375,000 persons crossed the isthmus from the Atlantic to the Pacific, and 225,000 in the opposite direction. This traffic greatly increased the prosperity of the city during that period.

Andy Yan, an urban planning researcher and adjunct professor at the University of British Columbia, studied real estate sales in Vancouver—also thought to be affected by foreign purchasers—found that 18% of the transactions in Vancouver's most expensive neighborhoods were cash purchases, and 66% of the owners appeared to be Chinese nationals or recent arrivals from China.[46] Calls for more data on foreign investors have been rejected by the provincial government.[47] Chinese nationals accounted for 70% of 2014 Vancouver home sales for more than CA$3 million.[48] On June 24, 2016 China CITIC Bank Corp filed suit in Canada against a Chinese citizen who borrowed CN¥50 million for his lumber business in China, but then withdrew roughly CA$7.5 million from the line of credit and left the country. He bought three houses in Vancouver and Surrey, British Columbia together valued at CA$7.3 million during a three-month period in June 2014.[49]


According to reporting by the African Network of Centers for Investigative Reporting (ANCIR), the company produces 60–90% of Sierra Leone's diamond exports, and in some months between 2012 and 2015 exported more than US$330 million in rough diamonds.[18] Octea owes US$150 million in unpaid loans.[18] Although government records show taxes paid by other diamond companies, none are listed for Octea.
The Panama Papers are an unprecedented leak of 11.5m files from the database of the world’s fourth biggest offshore law firm, Mossack Fonseca. The records were obtained from an anonymous source by the German newspaper Süddeutsche Zeitung, which shared them with the International Consortium of Investigative Journalists (ICIJ). The ICIJ then shared them with a large network of international partners, including the Guardian and the BBC.
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