A worker labors on a jeepney tyre at a used tyre workshop and store in Pasig City, Metro Manila, the Philippines, on Thursday, May 5, 2016. Rodrigo Duterte, front runner in next week's presidential election, has been candid when it comes to describing his crime-fighting and womanizing skills. It's his coyness on economics that is unnerving investors. Photographer: Taylor Weidman/Bloomberg via Getty Images