@misc{herzog2020CCZ,
title={The City-Wide Effects of Tolling Downtown Drivers: Evidence from London's Congestion Charge.},
author={Herzog, Ian},
year={2020}
}
@misc{herzog2020CCZ,
title={The City-Wide Effects of Tolling Downtown Drivers: Evidence from London's Congestion Charge.},
author={Herzog, Ian},
year={2020}
}