Registration Fee for WEI Conferences Registration for 2020 Barcelona Conference for 1 paper $435.00 USDRegistration for 2020 Barcelona Conference for 2 papers $585.00 USDRegistration for 2020 Barcelona Conference for attending only $435.00 USDRegistration for 2020 Vienna Conference for 1 paper $395.00 USDRegistration for 2020 Vienna Conference for 2 papers $545.00 USDRegistration for 2020 Vienna Conference for Attending Only $395.00 USDRegistration for 2020 Washington Conference for 1 paper $455.00 USDRegistration for 2020 Boston Conference for 1 paper $445.00 USD