1. Accessed in 2020. Google Ads Help Center: About automated bidding. https://support.google.com/google-ads/answer/2979071?hl=en. Accessed in 2020. Google Ads Help Center: About automated bidding. https://support.google.com/google-ads/answer/2979071?hl=en.
2. Accessed in 2020. Tiktok Business Help Center: About App Event Optimization. https://ads.tiktok.com/help/article?aid=179845248081724490. Accessed in 2020. Tiktok Business Help Center: About App Event Optimization. https://ads.tiktok.com/help/article?aid=179845248081724490.
3. Accessed in 2020. Your Guide to Facebook Bid Strategies. https://www.facebook.com/business/m/one-sheeters/facebook-bid-strategy-guide. Accessed in 2020. Your Guide to Facebook Bid Strategies. https://www.facebook.com/business/m/one-sheeters/facebook-bid-strategy-guide.
4. Budget Management Strategies in Repeated Auctions