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E -c Discussion of the Results

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As we have previously seen three out four of the hypotheses have not been verified by the

The first hypothesis “The greater Paris is not part of the European economic modal”, by considering
the Grater Paris as a whole, the respondent of the qualitative researches demonstrated that the Greater
Paris investment will create an economic growth to the region, which in other words means that the
region is well inserted in the European economic system, and will not suffer from its economic

Indeed, even if theoretical works have shown the threats of Keynesian plan in a liberal environment
(foreign supplier threat), it would be surprising to see a foreign supplier building the new tube line of
Paris. Moreover, even with this aspect, the company would create some jobs in the region, and would
also bring foreign workers who will increase the national consumption level.

The second hypothesis “Transport investments will be the main improvements on the economy”, has
also been unjustified by the qualitative research. Indeed by considering the transports as a support
function, the respondents have high-light the inefficiency of a single transit investment, without
neglecting its potential effects. Nevertheless as it has been shown a transportation investment will lead
to attractiveness for the companies which will create an economic growth. But after all, could this
issue be compared to the famous problematic “Who came first, chicken or egg?”.

The third hypothesis “The Greater Paris project is a generator for the Green economy”, has not been
justified neither by the qualitative research. Indeed the respondents have seen correlation between the
project and eventual green cluster development. Laurent Bach, project managers rightly assumed that
the Greater Paris was not only a “transportation project”. Nevertheless, even with the qualitative
results, it can still be controversial to see the Green impact of the project at the moment. Indeed, a
clear decision would have been the creation of a specific law to enhance this development,
nevertheless there is nothing about it. Also La Cité Descartes has often been cited as the future Green
Research center of Paris. But it is not easy to see the real impact of the Greater Paris on this
competitive center, as the only implication of the Greater Paris in this scientific pole is the creation of
a tube station to connect it to the rest of the Parisian agglomeration. Compare to one billion of Euros
for Paris-Saclay, the interests of the region for the Green development seems still largely less
important. The actual leading position of Paris Ile-de-France in the green development cannot be
considered as the result of the Greater Paris. Nevertheless it is also important to precise the future
evolution and creation of more projects by the Greater Paris.

The fourth hypothesis “Greater Paris: incubator of IT and R&D”, has been justified by the qualitative
research. Indeed thanks to the questions it has been possible to see a correlation between the Grand
Paris projects and the development of IT with an higher productivity in R&D (IT introduced by the
new automatic line, and the investment in Paris-Saclay).

It is also important to evocate some missing subjects in the project so far. Indeed, Georges Meitg
talked about the missing of communication concerning the new station visage. It would be essential to
have adapted new stations to this new public transport line. The problem of governance also has been
mentioned as missing, we still do not know what will be the administrative map of the Greater Paris,
and what will be the role of the different institutions. Some answers also concerning the way to
finance this project would be also essential.

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