January 5th 2017 meeting

Thank you to Florence for the first version of this report!


Attending : Loïc Charles, Guillaume Daudin, Béatrice Dedinger, Pierre Gervais, Paul Girard, Matthias Loise, Florence Perret, Guillaume Plique
1. Planning Guillaume Plique
He is one month late of the preceeding project. And starting in February he is starting on Wasmer’s project (with a workshop at the end of March).
In total we have nearly 4 month (10 700 € from SciencesPo and 13 000 € from INED) Planning:
– First 2 weeks of February
– One or two weeks in March
And the rest ?

2. Paul Girard & SciencesPo

3. Looking for mistakes in the data
Matthias Loïs has been looking for mistakes in the data
a. By looking at trade flows over 25 million l.t. A number of typos.
b. By comparing retranscribed trade flows and predicted (by a repeated sales model) trade flows. Only national trade for the time being. A lot of too-small trade flows that are not very interesting to correct.
c. Will be looking at the difference between retranscribed prices and predicted prices (by a repeated sales model). Many mistakes in Marseille
It is often because they forget to divide by 100 or they mix « sous » and « livres ».

4. Data
Marseilles’s data are a pain to check and integrate in the database. Loïc is doing it on his own and is spending a lot of time on each document.

This is blocking the integration of Dardel’s Rouen.

We decide to put Moyons at the Assistance Publique on the top of the pile.

5. Simplification of goods and measure units
Matthias has treated the measure units with three successive files.
The work on Merchandise Simplification has started again thanks to Florence. Pierre is going to participate and aims at finishing at the end of February or March.

6. 2017 Conference
Pierre makes two proposals.
– Use Chaurand and Gradis and check if their data is compatible with ours
– Study the link between the complexity of classifications and specialization between ports. Start with wine ?

7. Next meetings
03/02-9:30 : medialab
08/03-9:30 : medialab
21/04-9:30 : medialab
01/06-9:30 : medialab

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