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International Journal of Economy and Innovation | Volume 29 | Gospodarka i Innowacje
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population. In this model, skilled migration has limited economic impact. In small open economies
(such as the UK), a net migration shock increases labor supply and temporarily lowers the average local
wage. If wages are sticky, local jobs may also fall. Over time, domestic wages and employment
rates
should adjust to their pre-shock levels through international capital flows and the expansion of labor-
intensive industries. If the migration shock consists of skilled workers, it lowers the relative wages of
skilled natives and raises the wages of low-skilled natives. For firms, migration helps labor productivity
by reducing labor costs. But migration does not have a broader effect because other productivity
modifiers are exogenous.
Next, consider the dynamic "growth" setting. Here, firms can change their labor costs, innovation
capacity, and trading environment. Endogenous growth models show how human capital can help
generate new ideas that push the technological frontier and help increase productivity. Firms that invest
in R&D can thus increase innovation capacity and improve productivity, but may face
informational/financial constraints in doing so. Trade costs are now determined in part by information
asymmetries and coordination problems, and firms that can lower them will increase productivity (and
subsequently gain market share). Existing firms also face competition from
entrepreneurs who build
businesses around new ideas.
In such circumstances, skilled immigration has several effects, particularly on the production and
consumption sides of the economy. For example, access to knowledge and ideas may be highly uneven,
national entrepreneurial "capacity" may vary, and the characteristics of innovation ecosystems may
limit the diffusion of ideas. This opens up space for skilled/entrepreneurial individuals to contribute to
knowledge production and for international networks to help spread innovation across space.
Similarly, complex global production chains imply high search, transaction and management costs.
Intermediary actors, such as skilled migrants, can help firms enter new markets and coordinate complex
business activities. Similarly, production complementarity between skilled
migrants and natives can
increase returns to capital, thereby generating higher savings and inflows of foreign direct investment.
All of these channels contribute to productivity and/or competitiveness in the sense of increasing
market share for firms in the host country. These channels require relaxing some assumptions from the
static framework. In particular, migrants can work as entrepreneurs and investors, as well as workers;
migrants have financial, social and network capital, as well as human capital; and immigrants and
natives may be imperfect substitutes.
When thinking about these issues, it is useful to think about the side effects of "production" and
"consumption". Production channels affect productivity and its driving
force and can operate at
different levels. First, individual migrant status may preselect entrepreneurial individuals who
contribute to new business formation and/or open new market niches or highly human capital "stars"
who contribute to innovation. Second, firms that hire a "star" researcher or scientist can significantly
increase their productivity at the expense of other competing firms. More broadly, diverse workforces
may have an advantage in generating innovative ideas, particularly in skills and knowledge-intensive
sectors that create significant added value. Firms in these high-value sectors may also benefit from the
access of skilled migrants to co-ethnic networks, which may facilitate knowledge diffusion or reduce
coordination costs, thereby improving international market access.
Third, we can see indirect spillover effects at the sector or market level. Migrant entrepreneurs can
stimulate competition
in domestic markets, forcing incumbents to innovate and increase their
productivity. Diversity within specific firms and diaspora externalities can also contribute to the
innovation of all firms by further spilling knowledge across industries. Similarly, changes in the
activities of migrant entrepreneurs and investors and the market entry of specific firms can alter the
overall patterns of trade and direct investment between home and host countries.
On the consumption side, the effects of skilled migration are more difficult to isolate. Locally, high
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International Journal of Economy and Innovation | Volume 29 | Gospodarka i Innowacje
Kielce: Laboratorium Wiedzy Artur Borcuch
Copyright © 2022 All rights reserved International Journal for Gospodarka i
Innowacje This work licensed under a Creative Commons Attribution 4.0
levels of net migration may increase the level of demand for non-traded goods and/or lead to shifts in
demand in these sectors. Migration can also increase competition for goods whose supply is uncertain,
such as housing and rising local prices.
There is a well-established 'ethnic entrepreneur' literature linking migrant and minority communities to
self-employment, entrepreneurship and small business formation. Migrants
and minority ethnic
communities are generally more likely to be self-employed. The enterprise level is influenced by the
availability of opportunities, individual and group characteristics, and emerging strategies. An urban
location may favor an ethnic enterprise due to urban demographics and/or greater economic
opportunities.
Ethnic entrepreneurship can be reactive: exclusion from mainstream economic life can force groups to
develop new businesses, products and services. On the contrary, specific characteristics and attitudes of
society can develop active entrepreneurship. For example, "middle-class minority" status may help
individuals create business opportunities across social groups. Alternatively, entrepreneurs may benefit
from the externalities
of migrant enclaves, such as better access to information or finance.
This study is not concerned with human capital per se: individual migrant entrepreneurs can be highly
skilled individuals or low-skilled actors entering sectors with low entry barriers. A recent set of studies
focuses more on skilled migrants and identifies two more channels. As shown in Roy's model, the
migration decision involves balancing risks against expected future returns, so the migration decision
may positively select highly skilled and/or highly entrepreneurial individuals. Migrants also face
cheaper opportunities to invest in new skills or ways of working, so migrants may be more flexible
economic actors – for example, more willing to participate in disruptive business models. a skills-based
migration policy will then help attract highly skilled professionals. and/or entrepreneurial “stars” to host
economies.
In closed economies, the external influence of co-ethnic enclaves or groups may be limited by group
size or external constraints. However, in the context of globalization, transnational diaspora groups can
be an important source of social and cultural capital.
Likewise, highly skilled and motivated
transnational entrepreneurs may establish new ventures in several locations or act as liaisons between
local firms and those in "home" countries.
In theory, all four of these channels can be limited. First, the apparent effects of skilled
migrant/minority status may simply be attributable to individual stocks of human capital or to broader
structural conditions. Second, discrimination can limit opportunities for business creation, even in
reactive settings; and may limit intermediary-type arbitrage opportunities. Third, in a closed economy,
enclave externalities may also be limited by size (the smaller the group, the smaller the within-group
matches. Finally, diaspora /enclave opportunities may
be weaker than other factors; and some
transnational teams may be more organized and efficient than others.
The main effect of migration-entrepreneurial channels is on levels of business creation. There may also
be wider implications. First, new firm entry increases market competition and may induce incumbent
firms to innovate in response. Second, net firm entry accounts for a large share of national productivity
growth, so higher levels of entrepreneurship can increase short-run productivity.