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3.4. Impact                                        where the utility functions are defined below:
                                                                  ●   UReg: score assigned for drone regulations
           The  Impact  sub-index gauges the broad economic and social   ●   UInv: score given for investment in the drone sector
           impacts accruing from drone  projects. The observed impact is   ●   UR&D: score assigned for the research and development
           assessed for countries that currently have or have had a drone   being conducted in the sector
           project in the  past. We decided to assess impact of drones in   ●   Ucap: score allocated for the local capacity building done
           countries that currently have or have had drone  projects before.   on drones as well as  for the presence of repair and
           An alternative approach would be to assess the potential benefit of   maintenance facilities
           drone projects in a country,  which would result in a different
           index.                                                 ●   UCom&En: score given for the communication and energy
                                                                     infrastructure in place
           3.4.1. Economic impact                                 ●   UTech: score for the type of drone technology in place
                                                                  ●   UProj: score assigned on the drone projects in place
           The economic impact sub-index measures potential cost-saving   ●   UEco: score assigned for the economic impact
           benefits, the effects drone projects have on job creation in the   ●   USoc: score assigned for the social impact
           country, investment and transfer of capacity.      Each country was assigned scores on the above attributes
                                                              following the score description in Table 1.
           3.4.2 Social impact                                Swing weighting [9] was used for setting the value of the various
                                                              k constants in (1) representing the attribute weights. The weight
           The  Social impact  sub-index measures the effect the drone   assessment process can be summarized in the  following steps
           projects have had on the lives of the people in the country; this   documented with the results in Table 2:
           could be in the form of improved access to healthcare and service   1.  Taking the various sub-indices as attributes, the best and
           delivery.                                                 worst values of  each attribute were determined to the
                                                                     lowest and highest score in Table  1, zero and  one
             4. DESIGN OF THE PROPOSED DRONE READINESS               respectively.
                                INDEX                             2.  Eleven fictional alternatives were devised following the
                                                                     ten attributes in (1).  Ten alternative  cases where each
           In this section, we provide  a detailed description  of the   one of the 10 attributes were in turn set to the best score
           computation of the Drone Readiness Index.
                                                                     keeping all the other attributes low, as well as a worst-
           4.1 Analysis and Evaluation of the Sub-indices            case alternative where all attributes were considered to
                                                                     be at their lowest score.
           Figure 1 summarizes the overall components and sub-indices used   3.  Ranks were then assigned to each case. The worst-case
           to calculate the drone readiness index. Except  for the indicator   received the highest rank to indicate that this was the
           scores retrieved from elsewhere and  the score assigned for the   least desirable case and the lowest rank was assigned to
           number of projects, each indicator was assigned a value of 0, 0.5   the
           or 1 depending on whether this specific aspect is not observable,
           partially perceptible or extensively noticeable. A larger scale was   most desirable case. The best alternative was chosen to
           used for number of projects. Table 1 gives the details  of the   be  that of the case  where a  country  would have ready
           different sub-indices indicators, the rationale behind the scores   infrastructures in terms of communication and
           assigned  for each indicator and the data source. The Regulation   electricity followed by the case of a country with only
           and Impact sub-indices are evaluated using qualitative data while   favorable regulations in place.
           the rest of the scores were obtained using quantitative data.   4.  Rates  were  assigned to each alternative case  following
                                                                     the rank that was assigned. The rating of the worst-case
           4.1.1. The Drone Readiness Index (DRI)                    alternative was zero while the best alternative received a
                                                                     value of 100. All the alternatives were rated following
           The drone readiness index was computed using the additive utility   how likely or unlikely they  would contribute to the
           function model. Equation (1) gives the expression of the readiness   overall readiness of a country.
           index using a utility function:                        5.  The rating of each alternative case was then normalized

                                                                     by the division of each rating  with the sum of all the
                        =      1 ×                   +      2 ×                   +      3 ×          &     +      4 ×                   +  ratings to  obtain the weight associated with each
                  5 ×                  &         +      6 ×                  ℎ +      7 ×                       +      8 ×                   +      9 ×  attribute.
                                                        (1)

















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