Hey #EconTwitter: For the first time in 20 years, I am not spending my first week of January at the @ASSAMeeting. It's a weird feeling; I've always enjoyed showing off new books, connecting with friends, and talking with economists about new ideas 1/25









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eComm and D2C will be acutely impaired by the ATT opt-in mechanic coming to iOS (rumored made mandatory in March). ATT doesnt exclusively impact app advertisers, & in fact may disproportionately damage eComm and D2C. Some thoughts on how those advertisers should prepare (1/X)
2/ In the @MobileDevMemo 2020 mobile advertising predictions post, I posit that D2C ad spend may drop by as much as 50% in Q2 2020. FB revealed in December that app-to-web campaigns will be governed by ATT opt in, severely limiting campaign efficiency
3/ FB had only previously discussed ATT in terms of app campaign relevance. This new revelation likely stemmed from further instructions from Apple following FB's initial guidance
4/ FB affirmed in Dec that app-to-web campaigns will be: conversion event limited, aggregated at campaign level, and limited wrt attribution windows (default: 7-day click). This effectively replicates the privacy treatment of app campaigns on app-to-web campaigns
5/ Adam Lovallo from https://t.co/baV6VrUW7E describes 28-day click / 1-day view the "gold standard" for D2C. Why would FB change the default to 7-day? Because it is aggregating conversions at the campaign level -- universally, with what it is calling Aggregated Event Measurement
2/ In the @MobileDevMemo 2020 mobile advertising predictions post, I posit that D2C ad spend may drop by as much as 50% in Q2 2020. FB revealed in December that app-to-web campaigns will be governed by ATT opt in, severely limiting campaign efficiency
3/ FB had only previously discussed ATT in terms of app campaign relevance. This new revelation likely stemmed from further instructions from Apple following FB's initial guidance
4/ FB affirmed in Dec that app-to-web campaigns will be: conversion event limited, aggregated at campaign level, and limited wrt attribution windows (default: 7-day click). This effectively replicates the privacy treatment of app campaigns on app-to-web campaigns

5/ Adam Lovallo from https://t.co/baV6VrUW7E describes 28-day click / 1-day view the "gold standard" for D2C. Why would FB change the default to 7-day? Because it is aggregating conversions at the campaign level -- universally, with what it is calling Aggregated Event Measurement
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First thread of the year because I have time during MCO. As requested, a thread on the gods and spirits of Malay folk religion. Some are indigenous, some are of Indian origin, some have Islamic
Before I begin, it might be worth explaining the Malay conception of the spirit world. At its deepest level, Malay religious belief is animist. All living beings and even certain objects are said to have a soul. Natural phenomena are either controlled by or personified as spirits
Although these beings had to be respected, not all of them were powerful enough to be considered gods. Offerings would be made to the spirits that had greater influence on human life. Spells and incantations would invoke their
Two known examples of such elemental spirits that had god-like status are Raja Angin (king of the wind) and Mambang Tali Arus (spirit of river currents). There were undoubtedly many more which have been lost to time
Contact with ancient India brought the influence of Hinduism and Buddhism to SEA. What we now call Hinduism similarly developed in India out of native animism and the more formal Vedic tradition. This can be seen in the multitude of sacred animals and location-specific Hindu gods
i wonder if you can make a thread bout witchcraft in malaysia.. or list of our own local gods/deites..
— r a y a \U0001f319 (@lcvelylilith) February 20, 2020
Before I begin, it might be worth explaining the Malay conception of the spirit world. At its deepest level, Malay religious belief is animist. All living beings and even certain objects are said to have a soul. Natural phenomena are either controlled by or personified as spirits
Although these beings had to be respected, not all of them were powerful enough to be considered gods. Offerings would be made to the spirits that had greater influence on human life. Spells and incantations would invoke their
Animist ceremonies of a religious or magical nature were normally held for the purpose of divination or making a request. This would either be done at a keramat or at a shrine similar to the Thai spirit houses or Chinese roadside shrines pic.twitter.com/I1hliyi0x3
— \u2745\u1710\u170b\u1713\u170e (@uglyluhan) June 16, 2019
Two known examples of such elemental spirits that had god-like status are Raja Angin (king of the wind) and Mambang Tali Arus (spirit of river currents). There were undoubtedly many more which have been lost to time
Contact with ancient India brought the influence of Hinduism and Buddhism to SEA. What we now call Hinduism similarly developed in India out of native animism and the more formal Vedic tradition. This can be seen in the multitude of sacred animals and location-specific Hindu gods